22512445022 has 4 divisors (see below), whose sum is σ = 33768667536. Its totient is φ = 11256222510.

The previous prime is 22512444959. The next prime is 22512445091. The reversal of 22512445022 is 22054421522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5628111254 + ... + 5628111257.

It is an arithmetic number, because the mean of its divisors is an integer number (8442166884).

Almost surely, 2^22512445022 is an apocalyptic number.

22512445022 is a deficient number, since it is larger than the sum of its proper divisors (11256222514).

22512445022 is a wasteful number, since it uses less digits than its factorization.

22512445022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11256222513.

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 22512445022 its reverse (22054421522), we get a palindrome (44566866544).

The spelling of 22512445022 in words is "twenty-two billion, five hundred twelve million, four hundred forty-five thousand, twenty-two".