22479114041621 has 2 divisors, whose sum is σ = 22479114041622. Its totient is φ = 22479114041620.

The previous prime is 22479114041617. The next prime is 22479114041627. The reversal of 22479114041621 is 12614041197422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20398221240721 + 2080892800900 = 4516439^2 + 1442530^2 .

It is a cyclic number.

It is not a de Polignac number, because 22479114041621 - 2² = 22479114041617 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22479114041627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11239557020810 + 11239557020811.

It is an arithmetic number, because the mean of its divisors is an integer number (11239557020811).

Almost surely, 2^{22479114041621} is an apocalyptic number.

It is an amenable number.

22479114041621 is a deficient number, since it is larger than the sum of its proper divisors (1).

22479114041621 is an equidigital number, since it uses as much as digits as its factorization.

22479114041621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 22479114041621 in words is "twenty-two trillion, four hundred seventy-nine billion, one hundred fourteen million, forty-one thousand, six hundred twenty-one".