45615531222 has 48 divisors (see below), whose sum is σ = 99724584960. Its totient is φ = 15068430000.

The previous prime is 45615531193. The next prime is 45615531229. The reversal of 45615531222 is 22213551654.

45615531222 is a `hidden beast` number, since 4 + 5 + 615 + 5 + 3 + 12 + 22 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45615531229) 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, 1757979 + ... + 1783737.

It is an arithmetic number, because the mean of its divisors is an integer number (2077595520).

Almost surely, 2^45615531222 is an apocalyptic number.

45615531222 is an abundant number, since it is smaller than the sum of its proper divisors (54109053738).

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

45615531222 is a wasteful number, since it uses less digits than its factorization.

45615531222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26649 (or 26646 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The spelling of 45615531222 in words is "forty-five billion, six hundred fifteen million, five hundred thirty-one thousand, two hundred twenty-two".