22029222 has 16 divisors (see below), whose sum is σ = 44396352. Its totient is φ = 7286760.

The previous prime is 22029209. The next prime is 22029223. The reversal of 22029222 is 22292022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22029223) 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, 13228 + ... + 14799.

It is an arithmetic number, because the mean of its divisors is an integer number (2774772).

Almost surely, 2^22029222 is an apocalyptic number.

22029222 is an abundant number, since it is smaller than the sum of its proper divisors (22367130).

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

22029222 is a wasteful number, since it uses less digits than its factorization.

22029222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28163.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 22029222 is about 4693.5298017590. The cubic root of 22029222 is about 280.3279405906.

The spelling of 22029222 in words is "twenty-two million, twenty-nine thousand, two hundred twenty-two".