2199418356 has 12 divisors (see below), whose sum is σ = 5131976192. Its totient is φ = 733139448.

The previous prime is 2199418337. The next prime is 2199418357. The reversal of 2199418356 is 6538149912.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2199418356² = 9674882209419485472, which contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2199418357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91642420 + ... + 91642443.

Almost surely, 2^2199418356 is an apocalyptic number.

It is an amenable number.

2199418356 is an abundant number, since it is smaller than the sum of its proper divisors (2932557836).

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

2199418356 is a wasteful number, since it uses less digits than its factorization.

2199418356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183284870 (or 183284868 counting only the distinct ones).

The product of its digits is 466560, while the sum is 48.

The square root of 2199418356 is about 46897.9568424894. The cubic root of 2199418356 is about 1300.4768183834.

The spelling of 2199418356 in words is "two billion, one hundred ninety-nine million, four hundred eighteen thousand, three hundred fifty-six".