22522240436 has 12 divisors (see below), whose sum is σ = 39600718080. Its totient is φ = 11207749560.

The previous prime is 22522240427. The next prime is 22522240457. The reversal of 22522240436 is 63404222522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13341716 + ... + 13343403.

It is an arithmetic number, because the mean of its divisors is an integer number (3300059840).

Almost surely, 2^22522240436 is an apocalyptic number.

It is an amenable number.

22522240436 is a deficient number, since it is larger than the sum of its proper divisors (17078477644).

22522240436 is a wasteful number, since it uses less digits than its factorization.

22522240436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26685334 (or 26685332 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 22522240436 its reverse (63404222522), we get a palindrome (85926462958).

The spelling of 22522240436 in words is "twenty-two billion, five hundred twenty-two million, two hundred forty thousand, four hundred thirty-six".