224457352421157 has 24 divisors (see below), whose sum is σ = 346180264482624. Its totient is φ = 139803568337664.

The previous prime is 224457352421147. The next prime is 224457352421251. The reversal of 224457352421157 is 751124253754422.

224457352421157 is a `hidden beast` number, since 2 + 2 + 4 + 4 + 57 + 3 + 524 + 2 + 11 + 57 = 666.

It is not a de Polignac number, because 224457352421157 - 2¹⁸ = 224457352159013 is a prime.

It is a super-2 number, since 2×224457352421157² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224457352421147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12608538028 + ... + 12608555829.

It is an arithmetic number, because the mean of its divisors is an integer number (14424177686776).

Almost surely, 2^{224457352421157} is an apocalyptic number.

It is an amenable number.

224457352421157 is a deficient number, since it is larger than the sum of its proper divisors (121722912061467).

224457352421157 is a wasteful number, since it uses less digits than its factorization.

224457352421157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25217093929 (or 25217093926 counting only the distinct ones).

The product of its digits is 18816000, while the sum is 54.

The spelling of 224457352421157 in words is "two hundred twenty-four trillion, four hundred fifty-seven billion, three hundred fifty-two million, four hundred twenty-one thousand, one hundred fifty-seven".