23222251425 has 12 divisors (see below), whose sum is σ = 38394122480. Its totient is φ = 12385200720.

The previous prime is 23222251417. The next prime is 23222251427. The reversal of 23222251425 is 52415222232.

It is a happy number.

It is not a de Polignac number, because 23222251425 - 2³ = 23222251417 is a prime.

It is a super-2 number, since 2×23222251425² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23222251392 and 23222251401.

It is not an unprimeable number, because it can be changed into a prime (23222251427) 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, 154814935 + ... + 154815084.

Almost surely, 2^23222251425 is an apocalyptic number.

23222251425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23222251425 is a deficient number, since it is larger than the sum of its proper divisors (15171871055).

23222251425 is a wasteful number, since it uses less digits than its factorization.

23222251425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309630032 (or 309630027 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

Adding to 23222251425 its reverse (52415222232), we get a palindrome (75637473657).

The spelling of 23222251425 in words is "twenty-three billion, two hundred twenty-two million, two hundred fifty-one thousand, four hundred twenty-five".