22331603401 has 2 divisors, whose sum is σ = 22331603402. Its totient is φ = 22331603400.

The previous prime is 22331603387. The next prime is 22331603471. The reversal of 22331603401 is 10430613322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18862275600 + 3469327801 = 137340^2 + 58901^2 .

It is a cyclic number.

It is not a de Polignac number, because 22331603401 - 2²⁹ = 21794732489 is a prime.

It is not a weakly prime, because it can be changed into another prime (22331603471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11165801700 + 11165801701.

It is an arithmetic number, because the mean of its divisors is an integer number (11165801701).

Almost surely, 2^22331603401 is an apocalyptic number.

It is an amenable number.

22331603401 is a deficient number, since it is larger than the sum of its proper divisors (1).

22331603401 is an equidigital number, since it uses as much as digits as its factorization.

22331603401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The spelling of 22331603401 in words is "twenty-two billion, three hundred thirty-one million, six hundred three thousand, four hundred one".