22400021113 has 4 divisors (see below), whose sum is σ = 22576399360. Its totient is φ = 22223642868.

The previous prime is 22400021107. The next prime is 22400021131. The reversal of 22400021113 is 31112000422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31112000422 = 2 ⋅15556000211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22400021113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22400021173) 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, 88188933 + ... + 88189186.

It is an arithmetic number, because the mean of its divisors is an integer number (5644099840).

Almost surely, 2^22400021113 is an apocalyptic number.

It is an amenable number.

22400021113 is a deficient number, since it is larger than the sum of its proper divisors (176378247).

22400021113 is a wasteful number, since it uses less digits than its factorization.

22400021113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176378246.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22400021113 its reverse (31112000422), we get a palindrome (53512021535).

The spelling of 22400021113 in words is "twenty-two billion, four hundred million, twenty-one thousand, one hundred thirteen".