45222121556 has 24 divisors (see below), whose sum is σ = 79727413920. Its totient is φ = 22442940000.

The previous prime is 45222121547. The next prime is 45222121579. The reversal of 45222121556 is 65512122254.

It is a super-2 number, since 2×45222121556² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3246206 + ... + 3260106.

It is an arithmetic number, because the mean of its divisors is an integer number (3321975580).

Almost surely, 2^45222121556 is an apocalyptic number.

It is an amenable number.

45222121556 is a deficient number, since it is larger than the sum of its proper divisors (34505292364).

45222121556 is a wasteful number, since it uses less digits than its factorization.

45222121556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19895 (or 19893 counting only the distinct ones).

The product of its digits is 48000, while the sum is 35.

The spelling of 45222121556 in words is "forty-five billion, two hundred twenty-two million, one hundred twenty-one thousand, five hundred fifty-six".