22211996407 has 2 divisors, whose sum is σ = 22211996408. Its totient is φ = 22211996406.

The previous prime is 22211996383. The next prime is 22211996413. The reversal of 22211996407 is 70469911222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22211996407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22211996707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105998203 + 11105998204.

It is an arithmetic number, because the mean of its divisors is an integer number (11105998204).

Almost surely, 2^22211996407 is an apocalyptic number.

22211996407 is a deficient number, since it is larger than the sum of its proper divisors (1).

22211996407 is an equidigital number, since it uses as much as digits as its factorization.

22211996407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 22211996407 in words is "twenty-two billion, two hundred eleven million, nine hundred ninety-six thousand, four hundred seven".