22227322722 has 24 divisors (see below), whose sum is σ = 48863372208. Its totient is φ = 6735552120.

The previous prime is 22227322669. The next prime is 22227322759. The reversal of 22227322722 is 22722372222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 15307348 + ... + 15308799.

It is an arithmetic number, because the mean of its divisors is an integer number (2035973842).

Almost surely, 2^22227322722 is an apocalyptic number.

22227322722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22227322722 is an abundant number, since it is smaller than the sum of its proper divisors (26636049486).

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

22227322722 is a wasteful number, since it uses less digits than its factorization.

22227322722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30616174 (or 30616163 counting only the distinct ones).

The product of its digits is 37632, while the sum is 33.

Adding to 22227322722 its reverse (22722372222), we get a palindrome (44949694944).

The spelling of 22227322722 in words is "twenty-two billion, two hundred twenty-seven million, three hundred twenty-two thousand, seven hundred twenty-two".