22289622 has 32 divisors (see below), whose sum is σ = 48971520. Its totient is φ = 6732000.

The previous prime is 22289621. The next prime is 22289629. The reversal of 22289622 is 22698222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22289621) 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, 1629 + ... + 6872.

It is an arithmetic number, because the mean of its divisors is an integer number (1530360).

Almost surely, 2^22289622 is an apocalyptic number.

22289622 is an abundant number, since it is smaller than the sum of its proper divisors (26681898).

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

22289622 is a wasteful number, since it uses less digits than its factorization.

22289622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8548.

The product of its digits is 13824, while the sum is 33.

The square root of 22289622 is about 4721.1886215232. The cubic root of 22289622 is about 281.4281707600.

The spelling of 22289622 in words is "twenty-two million, two hundred eighty-nine thousand, six hundred twenty-two".