22356426 has 32 divisors (see below), whose sum is σ = 47784960. Its totient is φ = 6952176.

The previous prime is 22356379. The next prime is 22356461. The reversal of 22356426 is 62465322.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22356393 and 22356402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6175 + ... + 9101.

It is an arithmetic number, because the mean of its divisors is an integer number (1493280).

Almost surely, 2^22356426 is an apocalyptic number.

22356426 is an abundant number, since it is smaller than the sum of its proper divisors (25428534).

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

22356426 is a wasteful number, since it uses less digits than its factorization.

22356426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3018.

The product of its digits is 17280, while the sum is 30.

The square root of 22356426 is about 4728.2582416784. The cubic root of 22356426 is about 281.7090455163.

The spelling of 22356426 in words is "twenty-two million, three hundred fifty-six thousand, four hundred twenty-six".