45193779222 has 32 divisors (see below), whose sum is σ = 92076566400. Its totient is φ = 14783964288.

The previous prime is 45193779199. The next prime is 45193779269. The reversal of 45193779222 is 22297739154.

It is a congruent number.

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, 99054 + ... + 316542.

It is an arithmetic number, because the mean of its divisors is an integer number (2877392700).

Almost surely, 2^45193779222 is an apocalyptic number.

45193779222 is an abundant number, since it is smaller than the sum of its proper divisors (46882787178).

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

45193779222 is a wasteful number, since it uses less digits than its factorization.

45193779222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218140.

The product of its digits is 1905120, while the sum is 51.

The spelling of 45193779222 in words is "forty-five billion, one hundred ninety-three million, seven hundred seventy-nine thousand, two hundred twenty-two".