22245621553 has 16 divisors (see below), whose sum is σ = 23531523840. Its totient is φ = 20971440000.

The previous prime is 22245621533. The next prime is 22245621583. The reversal of 22245621553 is 35512654222.

It is not a de Polignac number, because 22245621553 - 2⁵ = 22245621521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22245621533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4679928 + ... + 4684678.

It is an arithmetic number, because the mean of its divisors is an integer number (1470720240).

Almost surely, 2^22245621553 is an apocalyptic number.

It is an amenable number.

22245621553 is a deficient number, since it is larger than the sum of its proper divisors (1285902287).

22245621553 is a wasteful number, since it uses less digits than its factorization.

22245621553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5928.

The product of its digits is 144000, while the sum is 37.

The spelling of 22245621553 in words is "twenty-two billion, two hundred forty-five million, six hundred twenty-one thousand, five hundred fifty-three".