22142406623 has 2 divisors, whose sum is σ = 22142406624. Its totient is φ = 22142406622.

The previous prime is 22142406581. The next prime is 22142406661. The reversal of 22142406623 is 32660424122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22142406623 - 2⁸ = 22142406367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22142406623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22142406023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071203311 + 11071203312.

It is an arithmetic number, because the mean of its divisors is an integer number (11071203312).

Almost surely, 2^22142406623 is an apocalyptic number.

22142406623 is a deficient number, since it is larger than the sum of its proper divisors (1).

22142406623 is an equidigital number, since it uses as much as digits as its factorization.

22142406623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 22142406623 in words is "twenty-two billion, one hundred forty-two million, four hundred six thousand, six hundred twenty-three".