152226772731 has 48 divisors (see below), whose sum is σ = 254039804928. Its totient is φ = 86812128000.

The previous prime is 152226772729. The next prime is 152226772777. The reversal of 152226772731 is 137277622251.

152226772731 is a `hidden beast` number, since 1 + 522 + 2 + 6 + 77 + 27 + 31 = 666.

It is not a de Polignac number, because 152226772731 - 2¹ = 152226772729 is a prime.

It is a super-2 number, since 2×152226772731² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (152226772331) 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, 11018430 + ... + 11032236.

It is an arithmetic number, because the mean of its divisors is an integer number (5292495936).

Almost surely, 2^152226772731 is an apocalyptic number.

152226772731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

152226772731 is a deficient number, since it is larger than the sum of its proper divisors (101813032197).

152226772731 is a wasteful number, since it uses less digits than its factorization.

152226772731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20392 (or 20389 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The spelling of 152226772731 in words is "one hundred fifty-two billion, two hundred twenty-six million, seven hundred seventy-two thousand, seven hundred thirty-one".