22215527506722 has 24 divisors (see below), whose sum is σ = 48837440636208. Its totient is φ = 6731978032120.

The previous prime is 22215527506703. The next prime is 22215527506769. The reversal of 22215527506722 is 22760572551222.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15299949348 + ... + 15299950799.

It is an arithmetic number, because the mean of its divisors is an integer number (2034893359842).

Almost surely, 2^{22215527506722} is an apocalyptic number.

22215527506722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22215527506722 is an abundant number, since it is smaller than the sum of its proper divisors (26621913129486).

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

22215527506722 is a wasteful number, since it uses less digits than its factorization.

22215527506722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30599900174 (or 30599900163 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 48.

The spelling of 22215527506722 in words is "twenty-two trillion, two hundred fifteen billion, five hundred twenty-seven million, five hundred six thousand, seven hundred twenty-two".