22530025450 has 24 divisors (see below), whose sum is σ = 41910478272. Its totient is φ = 9011014320.

The previous prime is 22530025439. The next prime is 22530025477. The reversal of 22530025450 is 5452003522.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 575397 + ... + 613303.

It is an arithmetic number, because the mean of its divisors is an integer number (1746269928).

Almost surely, 2^22530025450 is an apocalyptic number.

22530025450 is a deficient number, since it is larger than the sum of its proper divisors (19380452822).

22530025450 is a wasteful number, since it uses less digits than its factorization.

22530025450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49806 (or 49801 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

Adding to 22530025450 its reverse (5452003522), we get a palindrome (27982028972).

The spelling of 22530025450 in words is "twenty-two billion, five hundred thirty million, twenty-five thousand, four hundred fifty".