22524301225 has 6 divisors (see below), whose sum is σ = 27930133550. Its totient is φ = 18019440960.

The previous prime is 22524301213. The next prime is 22524301231. The reversal of 22524301225 is 52210342522.

It can be written as a sum of positive squares in 3 ways, for example, as 7916194729 + 14608106496 = 88973^2 + 120864^2 .

It is not a de Polignac number, because 22524301225 - 2⁹ = 22524300713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22524301193 and 22524301202.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 450486000 + ... + 450486049.

Almost surely, 2^22524301225 is an apocalyptic number.

22524301225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22524301225 is a deficient number, since it is larger than the sum of its proper divisors (5405832325).

22524301225 is an equidigital number, since it uses as much as digits as its factorization.

22524301225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900972059 (or 900972054 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 22524301225 its reverse (52210342522), we get a palindrome (74734643747).

The spelling of 22524301225 in words is "twenty-two billion, five hundred twenty-four million, three hundred one thousand, two hundred twenty-five".