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2202012 = 223320389
BaseRepresentation
bin1000011001100110011100
311010212121000
420121212130
51030431022
6115110300
724500601
oct10314634
94125530
102202012
11127444a
128a2390
135c1387
144146a8
152d76ac
hex21999c

2202012 has 24 divisors (see below), whose sum is σ = 5709200. Its totient is φ = 733968.

The previous prime is 2202007. The next prime is 2202019. The reversal of 2202012 is 2102022.

Adding to 2202012 its reverse (2102022), we get a palindrome (4304034).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2201985 and 2202003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10087 + ... + 10302.

22202012 is an apocalyptic number.

It is an amenable number.

2202012 is an abundant number, since it is smaller than the sum of its proper divisors (3507188).

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

2202012 is a wasteful number, since it uses less digits than its factorization.

2202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20402 (or 20394 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2202012 is about 1483.9177874802. The cubic root of 2202012 is about 130.0987809377.

The spelling of 2202012 in words is "two million, two hundred two thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 20389 40778 61167 81556 122334 183501 244668 367002 550503 734004 1101006 2202012