22164222 has 32 divisors (see below), whose sum is σ = 46944000. Its totient is φ = 6956928.

The previous prime is 22164199. The next prime is 22164227. The reversal of 22164222 is 22246122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22164227) 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, 22198 + ... + 23174.

It is an arithmetic number, because the mean of its divisors is an integer number (1467000).

Almost surely, 2^22164222 is an apocalyptic number.

22164222 is an abundant number, since it is smaller than the sum of its proper divisors (24779778).

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

22164222 is a wasteful number, since it uses less digits than its factorization.

22164222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200.

The product of its digits is 768, while the sum is 21.

The square root of 22164222 is about 4707.8893359976. The cubic root of 22164222 is about 280.8994122484.

The spelling of 22164222 in words is "twenty-two million, one hundred sixty-four thousand, two hundred twenty-two".