22655622 has 16 divisors (see below), whose sum is σ = 49430592. Its totient is φ = 6865320.

The previous prime is 22655617. The next prime is 22655627.

22655622 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (22655617) and next prime (22655627).

It is a self number, because there is not a number n which added to its sum of digits gives 22655622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22655627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171568 + ... + 171699.

It is an arithmetic number, because the mean of its divisors is an integer number (3089412).

Almost surely, 2^22655622 is an apocalyptic number.

22655622 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22655622 is an abundant number, since it is smaller than the sum of its proper divisors (26774970).

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

22655622 is a wasteful number, since it uses less digits than its factorization.

22655622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343283.

The product of its digits is 14400, while the sum is 30.

The square root of 22655622 is about 4759.7922223559. The cubic root of 22655622 is about 282.9601845204.

It can be divided in two parts, 2265 and 5622, that added together give a palindrome (7887).

The spelling of 22655622 in words is "twenty-two million, six hundred fifty-five thousand, six hundred twenty-two".