22222621485523 has 2 divisors, whose sum is σ = 22222621485524. Its totient is φ = 22222621485522.

The previous prime is 22222621485457. The next prime is 22222621485529. The reversal of 22222621485523 is 32558412622222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22222621485523 - 2²¹ = 22222619388371 is a prime.

It is not a weakly prime, because it can be changed into another prime (22222621485529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111310742761 + 11111310742762.

It is an arithmetic number, because the mean of its divisors is an integer number (11111310742762).

Almost surely, 2^{22222621485523} is an apocalyptic number.

22222621485523 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222621485523 is an equidigital number, since it uses as much as digits as its factorization.

22222621485523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1843200, while the sum is 46.

The spelling of 22222621485523 in words is "twenty-two trillion, two hundred twenty-two billion, six hundred twenty-one million, four hundred eighty-five thousand, five hundred twenty-three".