22842222 has 16 divisors (see below), whose sum is σ = 49198800. Its totient is φ = 7028352.

The previous prime is 22842217. The next prime is 22842247. The reversal of 22842222 is 22224822.

It is a junction number, because it is equal to n+sod(n) for n = 22842192 and 22842201.

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, 146347 + ... + 146502.

It is an arithmetic number, because the mean of its divisors is an integer number (3074925).

Almost surely, 2^22842222 is an apocalyptic number.

22842222 is an abundant number, since it is smaller than the sum of its proper divisors (26356578).

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

22842222 is a wasteful number, since it uses less digits than its factorization.

22842222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292867.

The product of its digits is 2048, while the sum is 24.

The square root of 22842222 is about 4779.3537220005. The cubic root of 22842222 is about 283.7349159764.

The spelling of 22842222 in words is "twenty-two million, eight hundred forty-two thousand, two hundred twenty-two".