22664637403 has 2 divisors, whose sum is σ = 22664637404. Its totient is φ = 22664637402.

The previous prime is 22664637367. The next prime is 22664637433. The reversal of 22664637403 is 30473646622.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22664637403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22664637403.

It is not a weakly prime, because it can be changed into another prime (22664637433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11332318701 + 11332318702.

It is an arithmetic number, because the mean of its divisors is an integer number (11332318702).

Almost surely, 2^22664637403 is an apocalyptic number.

22664637403 is a deficient number, since it is larger than the sum of its proper divisors (1).

22664637403 is an equidigital number, since it uses as much as digits as its factorization.

22664637403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 43.

The spelling of 22664637403 in words is "twenty-two billion, six hundred sixty-four million, six hundred thirty-seven thousand, four hundred three".