22455036557 has 2 divisors, whose sum is σ = 22455036558. Its totient is φ = 22455036556.

The previous prime is 22455036503. The next prime is 22455036563. The reversal of 22455036557 is 75563055422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20795370436 + 1659666121 = 144206^2 + 40739^2 .

It is a cyclic number.

It is not a de Polignac number, because 22455036557 - 2²⁴ = 22438259341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22455036757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11227518278 + 11227518279.

It is an arithmetic number, because the mean of its divisors is an integer number (11227518279).

Almost surely, 2^22455036557 is an apocalyptic number.

It is an amenable number.

22455036557 is a deficient number, since it is larger than the sum of its proper divisors (1).

22455036557 is an equidigital number, since it uses as much as digits as its factorization.

22455036557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260000, while the sum is 44.

The spelling of 22455036557 in words is "twenty-two billion, four hundred fifty-five million, thirty-six thousand, five hundred fifty-seven".