22000122 has 12 divisors (see below), whose sum is σ = 47666970. Its totient is φ = 7333368.

The previous prime is 22000109. The next prime is 22000127. The reversal of 22000122 is 22100022.

It can be written as a sum of positive squares in only one way, i.e., 19900521 + 2099601 = 4461^2 + 1449^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (22000127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611097 + ... + 611132.

Almost surely, 2^22000122 is an apocalyptic number.

22000122 is an abundant number, since it is smaller than the sum of its proper divisors (25666848).

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

22000122 is a wasteful number, since it uses less digits than its factorization.

22000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222237 (or 1222234 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 22000122 is about 4690.4287650491. The cubic root of 22000122 is about 280.2044510173.

Adding to 22000122 its reverse (22100022), we get a palindrome (44100144).

It can be divided in two parts, 22000 and 122, that added together give a palindrome (22122).

The spelling of 22000122 in words is "twenty-two million, one hundred twenty-two", and thus it is an aban number.