22944222 has 40 divisors (see below), whose sum is σ = 58759536. Its totient is φ = 6555168.

The previous prime is 22944221. The next prime is 22944223. The reversal of 22944222 is 22244922.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22944221) and next prime (22944223).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22944221) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8983 + ... + 11250.

Almost surely, 2^22944222 is an apocalyptic number.

22944222 is an abundant number, since it is smaller than the sum of its proper divisors (35815314).

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

22944222 is a wasteful number, since it uses less digits than its factorization.

22944222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20254 (or 20245 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 22944222 is about 4790.0127348474. The cubic root of 22944222 is about 284.1566202831.

The spelling of 22944222 in words is "twenty-two million, nine hundred forty-four thousand, two hundred twenty-two".