22322146 has 24 divisors (see below), whose sum is σ = 42492816. Its totient is φ = 8696520.

The previous prime is 22322129. The next prime is 22322171. The reversal of 22322146 is 64122322.

It is a super-3 number, since 3×22322146³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9276 + ... + 11431.

It is an arithmetic number, because the mean of its divisors is an integer number (1770534).

Almost surely, 2^22322146 is an apocalyptic number.

22322146 is a deficient number, since it is larger than the sum of its proper divisors (20170670).

22322146 is a wasteful number, since it uses less digits than its factorization.

22322146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20734 (or 20727 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 22322146 is about 4724.6318375086. The cubic root of 22322146 is about 281.5649866209.

Adding to 22322146 its reverse (64122322), we get a palindrome (86444468).

The spelling of 22322146 in words is "twenty-two million, three hundred twenty-two thousand, one hundred forty-six".