22245244152 has 16 divisors (see below), whose sum is σ = 55613110440. Its totient is φ = 7415081376.

The previous prime is 22245244117. The next prime is 22245244157. The reversal of 22245244152 is 25144254222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22245244157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463442563 + ... + 463442610.

Almost surely, 2^22245244152 is an apocalyptic number.

It is an amenable number.

22245244152 is an abundant number, since it is smaller than the sum of its proper divisors (33367866288).

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

22245244152 is a wasteful number, since it uses less digits than its factorization.

22245244152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926885182 (or 926885178 counting only the distinct ones).

The product of its digits is 51200, while the sum is 33.

Adding to 22245244152 its reverse (25144254222), we get a palindrome (47389498374).

The spelling of 22245244152 in words is "twenty-two billion, two hundred forty-five million, two hundred forty-four thousand, one hundred fifty-two".