22554426 has 16 divisors (see below), whose sum is σ = 45347328. Its totient is φ = 7478400.

The previous prime is 22554419. The next prime is 22554449. The reversal of 22554426 is 62445522.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22554393 and 22554402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8695 + ... + 10986.

It is an arithmetic number, because the mean of its divisors is an integer number (2834208).

Almost surely, 2^22554426 is an apocalyptic number.

22554426 is an abundant number, since it is smaller than the sum of its proper divisors (22792902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22554426 is a wasteful number, since it uses less digits than its factorization.

22554426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19877.

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

The square root of 22554426 is about 4749.1500292158. The cubic root of 22554426 is about 282.5382557115.

Adding to 22554426 its reverse (62445522), we get a palindrome (84999948).

The spelling of 22554426 in words is "twenty-two million, five hundred fifty-four thousand, four hundred twenty-six".