45221551332522 has 32 divisors (see below), whose sum is σ = 90479762942400. Its totient is φ = 15067740914688.

The previous prime is 45221551332509. The next prime is 45221551332557. The reversal of 45221551332522 is 22523315512254.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456102538 + ... + 456201674.

It is an arithmetic number, because the mean of its divisors is an integer number (2827492591950).

Almost surely, 2^{45221551332522} is an apocalyptic number.

45221551332522 is an abundant number, since it is smaller than the sum of its proper divisors (45258211609878).

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

45221551332522 is a wasteful number, since it uses less digits than its factorization.

45221551332522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129190.

The product of its digits is 720000, while the sum is 42.

Adding to 45221551332522 its reverse (22523315512254), we get a palindrome (67744866844776).

The spelling of 45221551332522 in words is "forty-five trillion, two hundred twenty-one billion, five hundred fifty-one million, three hundred thirty-two thousand, five hundred twenty-two".