22525457466242 has 4 divisors (see below), whose sum is σ = 33788186199366. Its totient is φ = 11262728733120.

The previous prime is 22525457466203. The next prime is 22525457466247. The reversal of 22525457466242 is 24266475452522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21506025976681 + 1019431489561 = 4637459^2 + 1009669^2 .

It is not an unprimeable number, because it can be changed into a prime (22525457466247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5631364366559 + ... + 5631364366562.

Almost surely, 2^{22525457466242} is an apocalyptic number.

22525457466242 is a deficient number, since it is larger than the sum of its proper divisors (11262728733124).

22525457466242 is a wasteful number, since it uses less digits than its factorization.

22525457466242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11262728733123.

The product of its digits is 64512000, while the sum is 56.

The spelling of 22525457466242 in words is "twenty-two trillion, five hundred twenty-five billion, four hundred fifty-seven million, four hundred sixty-six thousand, two hundred forty-two".