22644400053 has 32 divisors (see below), whose sum is σ = 33936077952. Its totient is φ = 13313894400.

The previous prime is 22644400033. The next prime is 22644400057. The reversal of 22644400053 is 35000444622.

It is not a de Polignac number, because 22644400053 - 2⁹ = 22644399541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22644400057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69901 + ... + 223997.

It is an arithmetic number, because the mean of its divisors is an integer number (1060502436).

Almost surely, 2^22644400053 is an apocalyptic number.

It is an amenable number.

22644400053 is a deficient number, since it is larger than the sum of its proper divisors (11291677899).

22644400053 is a wasteful number, since it uses less digits than its factorization.

22644400053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154245.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 22644400053 its reverse (35000444622), we get a palindrome (57644844675).

The spelling of 22644400053 in words is "twenty-two billion, six hundred forty-four million, four hundred thousand, fifty-three".