226401235656 has 16 divisors (see below), whose sum is σ = 566003089200. Its totient is φ = 75467078544.

The previous prime is 226401235603. The next prime is 226401235663. The reversal of 226401235656 is 656532104622.

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 3 ways as a sum of consecutive naturals, for example, 4716692386 + ... + 4716692433.

It is an arithmetic number, because the mean of its divisors is an integer number (35375193075).

Almost surely, 2^226401235656 is an apocalyptic number.

It is an amenable number.

226401235656 is an abundant number, since it is smaller than the sum of its proper divisors (339601853544).

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

226401235656 is a wasteful number, since it uses less digits than its factorization.

226401235656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9433384828 (or 9433384824 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 226401235656 in words is "two hundred twenty-six billion, four hundred one million, two hundred thirty-five thousand, six hundred fifty-six".