226855816972 has 48 divisors (see below), whose sum is σ = 405549182080. Its totient is φ = 111008620800.

The previous prime is 226855816937. The next prime is 226855816997. The reversal of 226855816972 is 279618558622.

It is a self number, because there is not a number n which added to its sum of digits gives 226855816972.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34999972 + ... + 35006452.

Almost surely, 2^226855816972 is an apocalyptic number.

It is an amenable number.

226855816972 is a deficient number, since it is larger than the sum of its proper divisors (178693365108).

226855816972 is a wasteful number, since it uses less digits than its factorization.

226855816972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7382 (or 7380 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 61.

The spelling of 226855816972 in words is "two hundred twenty-six billion, eight hundred fifty-five million, eight hundred sixteen thousand, nine hundred seventy-two".