22525444465 has 16 divisors (see below), whose sum is σ = 28625788800. Its totient is φ = 16957239040.

The previous prime is 22525444453. The next prime is 22525444483. The reversal of 22525444465 is 56444452522.

It is not a de Polignac number, because 22525444465 - 2¹³ = 22525436273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514380 + ... + 556450.

It is an arithmetic number, because the mean of its divisors is an integer number (1789111800).

Almost surely, 2^22525444465 is an apocalyptic number.

It is an amenable number.

22525444465 is a deficient number, since it is larger than the sum of its proper divisors (6100344335).

22525444465 is a wasteful number, since it uses less digits than its factorization.

22525444465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48392.

The product of its digits is 1536000, while the sum is 43.

Adding to 22525444465 its reverse (56444452522), we get a palindrome (78969896987).

The spelling of 22525444465 in words is "twenty-two billion, five hundred twenty-five million, four hundred forty-four thousand, four hundred sixty-five".