22637226 has 16 divisors (see below), whose sum is σ = 46836000. Its totient is φ = 7285488.

The previous prime is 22637141. The next prime is 22637243. The reversal of 22637226 is 62273622.

It is a junction number, because it is equal to n+sod(n) for n = 22637193 and 22637202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64876 + ... + 65223.

It is an arithmetic number, because the mean of its divisors is an integer number (2927250).

Almost surely, 2^22637226 is an apocalyptic number.

22637226 is an abundant number, since it is smaller than the sum of its proper divisors (24198774).

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

22637226 is a wasteful number, since it uses less digits than its factorization.

22637226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130133.

The product of its digits is 12096, while the sum is 30.

The square root of 22637226 is about 4757.8593926261. The cubic root of 22637226 is about 282.8835774120.

The spelling of 22637226 in words is "twenty-two million, six hundred thirty-seven thousand, two hundred twenty-six".