22351122 has 24 divisors (see below), whose sum is σ = 48554064. Its totient is φ = 7430904.

The previous prime is 22351117. The next prime is 22351129. The reversal of 22351122 is 22115322.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22351095 and 22351104.

It is not an unprimeable number, because it can be changed into a prime (22351129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6573 + ... + 9375.

It is an arithmetic number, because the mean of its divisors is an integer number (2023086).

Almost surely, 2^22351122 is an apocalyptic number.

22351122 is an abundant number, since it is smaller than the sum of its proper divisors (26202942).

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

22351122 is a wasteful number, since it uses less digits than its factorization.

22351122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3254 (or 3251 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 22351122 is about 4727.6973253371. The cubic root of 22351122 is about 281.6867655246.

Adding to 22351122 its reverse (22115322), we get a palindrome (44466444).

The spelling of 22351122 in words is "twenty-two million, three hundred fifty-one thousand, one hundred twenty-two".