226463544657 has 48 divisors (see below), whose sum is σ = 397641156480. Its totient is φ = 126966045024.

The previous prime is 226463544599. The next prime is 226463544667. The reversal of 226463544657 is 756445364622.

226463544657 is a `hidden beast` number, since 2 + 2 + 6 + 46 + 3 + 544 + 6 + 57 = 666.

It is not a de Polignac number, because 226463544657 - 2⁸ = 226463544401 is a prime.

It is a super-2 number, since 2×226463544657² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (226463544667) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1544733 + ... + 1684970.

It is an arithmetic number, because the mean of its divisors is an integer number (8284190760).

Almost surely, 2^226463544657 is an apocalyptic number.

226463544657 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

226463544657 is a deficient number, since it is larger than the sum of its proper divisors (171177611823).

226463544657 is a wasteful number, since it uses less digits than its factorization.

226463544657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3229779 (or 3229766 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 54.

The spelling of 226463544657 in words is "two hundred twenty-six billion, four hundred sixty-three million, five hundred forty-four thousand, six hundred fifty-seven".