22234425025 has 12 divisors (see below), whose sum is σ = 27685095724. Its totient is φ = 17713728000.

The previous prime is 22234425023. The next prime is 22234425047. The reversal of 22234425025 is 52052443222.

It can be written as a sum of positive squares in 6 ways, for example, as 36481 + 22234388544 = 191^2 + 149112^2 .

It is not a de Polignac number, because 22234425025 - 2¹ = 22234425023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22234425023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1839156 + ... + 1851205.

Almost surely, 2^22234425025 is an apocalyptic number.

22234425025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22234425025 is a deficient number, since it is larger than the sum of its proper divisors (5450670699).

22234425025 is a wasteful number, since it uses less digits than its factorization.

22234425025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3690612 (or 3690607 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 22234425025 its reverse (52052443222), we get a palindrome (74286868247).

The spelling of 22234425025 in words is "twenty-two billion, two hundred thirty-four million, four hundred twenty-five thousand, twenty-five".