226943645 has 24 divisors (see below), whose sum is σ = 286675200. Its totient is φ = 172452896.

The previous prime is 226943621. The next prime is 226943671. The reversal of 226943645 is 546349622.

It is a de Polignac number, because none of the positive numbers 2^k-226943645 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 631976 + ... + 632334.

It is an arithmetic number, because the mean of its divisors is an integer number (11944800).

Almost surely, 2^226943645 is an apocalyptic number.

It is an amenable number.

226943645 is a deficient number, since it is larger than the sum of its proper divisors (59731555).

226943645 is a wasteful number, since it uses less digits than its factorization.

226943645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649 (or 626 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The square root of 226943645 is about 15064.6488508694. The cubic root of 226943645 is about 609.9665349374.

The spelling of 226943645 in words is "two hundred twenty-six million, nine hundred forty-three thousand, six hundred forty-five".