22396861452 has 48 divisors (see below), whose sum is σ = 59947050240. Its totient is φ = 6375308352.

The previous prime is 22396861441. The next prime is 22396861453. The reversal of 22396861452 is 25416869322.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22396861453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472998 + ... + 518189.

It is an arithmetic number, because the mean of its divisors is an integer number (1248896880).

Almost surely, 2^22396861452 is an apocalyptic number.

It is an amenable number.

22396861452 is an abundant number, since it is smaller than the sum of its proper divisors (37550188788).

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

22396861452 is a wasteful number, since it uses less digits than its factorization.

22396861452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991470 (or 991468 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The spelling of 22396861452 in words is "twenty-two billion, three hundred ninety-six million, eight hundred sixty-one thousand, four hundred fifty-two".