22248507457 has 4 divisors (see below), whose sum is σ = 24271099056. Its totient is φ = 20225915860.

The previous prime is 22248507451. The next prime is 22248507469. The reversal of 22248507457 is 75470584222.

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 22248507457 - 2¹⁹ = 22247983169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22248507451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011295783 + ... + 1011295804.

It is an arithmetic number, because the mean of its divisors is an integer number (6067774764).

Almost surely, 2^22248507457 is an apocalyptic number.

It is an amenable number.

22248507457 is a deficient number, since it is larger than the sum of its proper divisors (2022591599).

22248507457 is a wasteful number, since it uses less digits than its factorization.

22248507457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022591598.

The product of its (nonzero) digits is 1254400, while the sum is 46.

The spelling of 22248507457 in words is "twenty-two billion, two hundred forty-eight million, five hundred seven thousand, four hundred fifty-seven".