22220122 has 16 divisors (see below), whose sum is σ = 35458560. Its totient is φ = 10406848.

The previous prime is 22220117. The next prime is 22220131. The reversal of 22220122 is 22102222.

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, 6279 + ... + 9157.

It is an arithmetic number, because the mean of its divisors is an integer number (2216160).

Almost surely, 2^22220122 is an apocalyptic number.

22220122 is a deficient number, since it is larger than the sum of its proper divisors (13238438).

22220122 is a wasteful number, since it uses less digits than its factorization.

22220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 22220122 is about 4713.8224404405. The cubic root of 22220122 is about 281.1353645081.

Adding to 22220122 its reverse (22102222), we get a palindrome (44322344).

The spelling of 22220122 in words is "twenty-two million, two hundred twenty thousand, one hundred twenty-two".