22453006021 has 16 divisors (see below), whose sum is σ = 23865794560. Its totient is φ = 21063959280.

The previous prime is 22453006007. The next prime is 22453006039. The reversal of 22453006021 is 12060035422.

It is a cyclic number.

It is not a de Polignac number, because 22453006021 - 2²⁷ = 22318788293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22453066021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1311406 + ... + 1328416.

It is an arithmetic number, because the mean of its divisors is an integer number (1491612160).

Almost surely, 2^22453006021 is an apocalyptic number.

It is an amenable number.

22453006021 is a deficient number, since it is larger than the sum of its proper divisors (1412788539).

22453006021 is a wasteful number, since it uses less digits than its factorization.

22453006021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17704.

The product of its (nonzero) digits is 2880, while the sum is 25.

The spelling of 22453006021 in words is "twenty-two billion, four hundred fifty-three million, six thousand, twenty-one".