22626220 has 48 divisors (see below), whose sum is σ = 48898080. Its totient is φ = 8792064.

The previous prime is 22626217. The next prime is 22626229. The reversal of 22626220 is 2262622.

It is a junction number, because it is equal to n+sod(n) for n = 22626191 and 22626200.

It is not an unprimeable number, because it can be changed into a prime (22626229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207526 + ... + 207634.

It is an arithmetic number, because the mean of its divisors is an integer number (1018710).

Almost surely, 2^22626220 is an apocalyptic number.

22626220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22626220 is an abundant number, since it is smaller than the sum of its proper divisors (26271860).

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

22626220 is a wasteful number, since it uses less digits than its factorization.

22626220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 22626220 is about 4756.7026394342. The cubic root of 22626220 is about 282.8377248951.

Adding to 22626220 its reverse (2262622), we get a palindrome (24888842).

The spelling of 22626220 in words is "twenty-two million, six hundred twenty-six thousand, two hundred twenty".