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2004422331 = 323127228737
BaseRepresentation
bin111011101111001…
…0000111010111011
312011200200012112010
41313132100322323
513101113003311
6530521421003
7100446210612
oct16736207273
95150605463
102004422331
1193949818a
1247b33a763
1325c365222
141502ca879
15bae87da6
hex77790ebb

2004422331 has 16 divisors (see below), whose sum is σ = 2810732544. Its totient is φ = 1268112384.

The previous prime is 2004422279. The next prime is 2004422369. The reversal of 2004422331 is 1332244002.

It is not a de Polignac number, because 2004422331 - 217 = 2004291259 is a prime.

It is a super-2 number, since 2×20044223312 = 8035417762022947122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2004422298 and 2004422307.

It is not an unprimeable number, because it can be changed into a prime (2004423331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105606 + ... + 123131.

It is an arithmetic number, because the mean of its divisors is an integer number (175670784).

Almost surely, 22004422331 is an apocalyptic number.

2004422331 is a deficient number, since it is larger than the sum of its proper divisors (806310213).

2004422331 is a wasteful number, since it uses less digits than its factorization.

2004422331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228890.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2004422331 is about 44770.7754120922. The cubic root of 2004422331 is about 1260.8489976013.

Adding to 2004422331 its reverse (1332244002), we get a palindrome (3336666333).

The spelling of 2004422331 in words is "two billion, four million, four hundred twenty-two thousand, three hundred thirty-one".

Divisors: 1 3 23 69 127 381 2921 8763 228737 686211 5260951 15782853 29049599 87148797 668140777 2004422331