22554425 has 24 divisors (see below), whose sum is σ = 29789760. Its totient is φ = 16891200.

The previous prime is 22554419. The next prime is 22554449. The reversal of 22554425 is 52445522.

It is not a de Polignac number, because 22554425 - 2⁴ = 22554409 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48695 + ... + 49155.

It is an arithmetic number, because the mean of its divisors is an integer number (1241240).

Almost surely, 2^22554425 is an apocalyptic number.

22554425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22554425 is a deficient number, since it is larger than the sum of its proper divisors (7235335).

22554425 is a wasteful number, since it uses less digits than its factorization.

22554425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593 (or 588 counting only the distinct ones).

The product of its digits is 16000, while the sum is 29.

The square root of 22554425 is about 4749.1499239338. The cubic root of 22554425 is about 282.5382515359.

Adding to 22554425 its reverse (52445522), we get a palindrome (74999947).

The spelling of 22554425 in words is "twenty-two million, five hundred fifty-four thousand, four hundred twenty-five".