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3322431220 = 225166121561
BaseRepresentation
bin1100011000001000…
…0100011011110100
322120112201222211011
43012002010123310
523301020244340
61305403122004
7145222125253
oct30602043364
98515658734
103322431220
111455475829
12788813304
1340c437244
1423737879a
15146a340ea
hexc60846f4

3322431220 has 12 divisors (see below), whose sum is σ = 6977105604. Its totient is φ = 1328972480.

The previous prime is 3322431209. The next prime is 3322431239. The reversal of 3322431220 is 221342233.

It can be written as a sum of positive squares in 2 ways, for example, as 2000236176 + 1322195044 = 44724^2 + 36362^2 .

It is a super-2 number, since 2×33224312202 = 22077098423261376800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3322431191 and 3322431200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83060761 + ... + 83060800.

It is an arithmetic number, because the mean of its divisors is an integer number (581425467).

Almost surely, 23322431220 is an apocalyptic number.

It is an amenable number.

3322431220 is an abundant number, since it is smaller than the sum of its proper divisors (3654674384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3322431220 is a wasteful number, since it uses less digits than its factorization.

3322431220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166121570 (or 166121568 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 3322431220 is about 57640.5345221572. The cubic root of 3322431220 is about 1492.1712440640.

Adding to 3322431220 its reverse (221342233), we get a palindrome (3543773453).

The spelling of 3322431220 in words is "three billion, three hundred twenty-two million, four hundred thirty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 166121561 332243122 664486244 830607805 1661215610 3322431220