22955922 has 48 divisors (see below), whose sum is σ = 54587520. Its totient is φ = 6914400.

The previous prime is 22955917. The next prime is 22955927.

22955922 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (22955917) and next prime (22955927).

It is not an unprimeable number, because it can be changed into a prime (22955927) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 53047 + ... + 53477.

It is an arithmetic number, because the mean of its divisors is an integer number (1137240).

Almost surely, 2^22955922 is an apocalyptic number.

22955922 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22955922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27293760).

22955922 is an abundant number, since it is smaller than the sum of its proper divisors (31631598).

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

22955922 is a wasteful number, since it uses less digits than its factorization.

22955922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 716 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 22955922 is about 4791.2338703094. The cubic root of 22955922 is about 284.2049122889.

The spelling of 22955922 in words is "twenty-two million, nine hundred fifty-five thousand, nine hundred twenty-two".