22445211242507 has 2 divisors, whose sum is σ = 22445211242508. Its totient is φ = 22445211242506.

The previous prime is 22445211242477. The next prime is 22445211242549. The reversal of 22445211242507 is 70524211254422.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22445211242507 is a prime.

It is not a weakly prime, because it can be changed into another prime (22445211248507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11222605621253 + 11222605621254.

It is an arithmetic number, because the mean of its divisors is an integer number (11222605621254).

Almost surely, 2^{22445211242507} is an apocalyptic number.

22445211242507 is a deficient number, since it is larger than the sum of its proper divisors (1).

22445211242507 is an equidigital number, since it uses as much as digits as its factorization.

22445211242507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 358400, while the sum is 41.

Adding to 22445211242507 its reverse (70524211254422), we get a palindrome (92969422496929).

The spelling of 22445211242507 in words is "twenty-two trillion, four hundred forty-five billion, two hundred eleven million, two hundred forty-two thousand, five hundred seven".