22615057457 has 4 divisors (see below), whose sum is σ = 22952595696. Its totient is φ = 22277519220.

The previous prime is 22615057433. The next prime is 22615057463. The reversal of 22615057457 is 75475051622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22615057457 - 2¹⁶ = 22614991921 is a prime.

It is a super-2 number, since 2×22615057457² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22615057657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168769019 + ... + 168769152.

It is an arithmetic number, because the mean of its divisors is an integer number (5738148924).

Almost surely, 2^22615057457 is an apocalyptic number.

It is an amenable number.

22615057457 is a deficient number, since it is larger than the sum of its proper divisors (337538239).

22615057457 is an equidigital number, since it uses as much as digits as its factorization.

22615057457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337538238.

The product of its (nonzero) digits is 588000, while the sum is 44.

The spelling of 22615057457 in words is "twenty-two billion, six hundred fifteen million, fifty-seven thousand, four hundred fifty-seven".