22712247402 has 32 divisors (see below), whose sum is σ = 50496714240. Its totient is φ = 6762951360.

The previous prime is 22712247377. The next prime is 22712247407. The reversal of 22712247402 is 20474221722.

It is not an unprimeable number, because it can be changed into a prime (22712247407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4694077 + ... + 4698912.

It is an arithmetic number, because the mean of its divisors is an integer number (1578022320).

Almost surely, 2^22712247402 is an apocalyptic number.

22712247402 is an abundant number, since it is smaller than the sum of its proper divisors (27784466838).

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

22712247402 is a wasteful number, since it uses less digits than its factorization.

22712247402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9393038.

The product of its (nonzero) digits is 25088, while the sum is 33.

The spelling of 22712247402 in words is "twenty-two billion, seven hundred twelve million, two hundred forty-seven thousand, four hundred two".