22553213145 has 64 divisors (see below), whose sum is σ = 37646864640. Its totient is φ = 11515392000.

The previous prime is 22553213117. The next prime is 22553213167. The reversal of 22553213145 is 54131235522.

It is not a de Polignac number, because 22553213145 - 2¹⁶ = 22553147609 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37525845 + ... + 37526445.

It is an arithmetic number, because the mean of its divisors is an integer number (588232260).

Almost surely, 2^22553213145 is an apocalyptic number.

It is an amenable number.

22553213145 is a deficient number, since it is larger than the sum of its proper divisors (15093651495).

22553213145 is a wasteful number, since it uses less digits than its factorization.

22553213145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226.

The product of its digits is 36000, while the sum is 33.

Adding to 22553213145 its reverse (54131235522), we get a palindrome (76684448667).

The spelling of 22553213145 in words is "twenty-two billion, five hundred fifty-three million, two hundred thirteen thousand, one hundred forty-five".