22055222 has 16 divisors (see below), whose sum is σ = 40033440. Its totient is φ = 8896128.

The previous prime is 22055213. The next prime is 22055233. The reversal of 22055222 is 22255022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22055194 and 22055203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46097 + ... + 46572.

It is an arithmetic number, because the mean of its divisors is an integer number (2502090).

Almost surely, 2^22055222 is an apocalyptic number.

22055222 is a deficient number, since it is larger than the sum of its proper divisors (17978218).

22055222 is a wasteful number, since it uses less digits than its factorization.

22055222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92695.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 22055222 is about 4696.2987554030. The cubic root of 22055222 is about 280.4381829602.

The spelling of 22055222 in words is "twenty-two million, fifty-five thousand, two hundred twenty-two".