22415502021 has 16 divisors (see below), whose sum is σ = 32799610368. Its totient is φ = 13503801200.

The previous prime is 22415502013. The next prime is 22415502029. The reversal of 22415502021 is 12020551422.

It is an interprime number because it is at equal distance from previous prime (22415502013) and next prime (22415502029).

It is a cyclic number.

It is not a de Polignac number, because 22415502021 - 2³ = 22415502013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22415501982 and 22415502000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22415502029) 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, 2028195 + ... + 2039216.

It is an arithmetic number, because the mean of its divisors is an integer number (2049975648).

Almost surely, 2^22415502021 is an apocalyptic number.

It is an amenable number.

22415502021 is a deficient number, since it is larger than the sum of its proper divisors (10384108347).

22415502021 is a wasteful number, since it uses less digits than its factorization.

22415502021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067592.

The product of its (nonzero) digits is 1600, while the sum is 24.

The spelling of 22415502021 in words is "twenty-two billion, four hundred fifteen million, five hundred two thousand, twenty-one".