227235215664 has 60 divisors (see below), whose sum is σ = 673351418376. Its totient is φ = 71289478656.

The previous prime is 227235215663. The next prime is 227235215687. The reversal of 227235215664 is 466512532722.

227235215664 is a `hidden beast` number, since 2 + 2 + 72 + 3 + 521 + 56 + 6 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (227235215663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46409974 + ... + 46414869.

Almost surely, 2^227235215664 is an apocalyptic number.

227235215664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

227235215664 is an abundant number, since it is smaller than the sum of its proper divisors (446116202712).

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

227235215664 is a wasteful number, since it uses less digits than its factorization.

227235215664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92824874 (or 92824865 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The spelling of 227235215664 in words is "two hundred twenty-seven billion, two hundred thirty-five million, two hundred fifteen thousand, six hundred sixty-four".