22222068 has 48 divisors (see below), whose sum is σ = 57308160. Its totient is φ = 6645600.

The previous prime is 22222063. The next prime is 22222087. The reversal of 22222068 is 86022222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222063) 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, 9363 + ... + 11493.

It is an arithmetic number, because the mean of its divisors is an integer number (1193920).

Almost surely, 2^22222068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22222068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28654080).

22222068 is an abundant number, since it is smaller than the sum of its proper divisors (35086092).

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

22222068 is a wasteful number, since it uses less digits than its factorization.

22222068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228 (or 2226 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 22222068 is about 4714.0288501451. The cubic root of 22222068 is about 281.1435713854.

The spelling of 22222068 in words is "twenty-two million, two hundred twenty-two thousand, sixty-eight".