22202013312 has 48 divisors (see below), whose sum is σ = 63888609330. Its totient is φ = 7400670720.

The previous prime is 22202013307. The next prime is 22202013331. The reversal of 22202013312 is 21331020222.

It can be written as a sum of positive squares in only one way, i.e., 21920579136 + 281434176 = 148056^2 + 16776^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9635139 + ... + 9637442.

Almost surely, 2^22202013312 is an apocalyptic number.

It is an amenable number.

22202013312 is an abundant number, since it is smaller than the sum of its proper divisors (41686596018).

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

22202013312 is a wasteful number, since it uses less digits than its factorization.

22202013312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19272601 (or 19272586 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22202013312 its reverse (21331020222), we get a palindrome (43533033534).

The spelling of 22202013312 in words is "twenty-two billion, two hundred two million, thirteen thousand, three hundred twelve".