22939422 has 48 divisors (see below), whose sum is σ = 53114880. Its totient is φ = 6581520.

The previous prime is 22939391. The next prime is 22939451. The reversal of 22939422 is 22493922.

It is a happy number.

It is a super-3 number, since 3×22939422³ (a number of 23 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 12963 + ... + 14625.

It is an arithmetic number, because the mean of its divisors is an integer number (1106560).

Almost surely, 2^22939422 is an apocalyptic number.

22939422 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 22939422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26557440).

22939422 is an abundant number, since it is smaller than the sum of its proper divisors (30175458).

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

22939422 is a wasteful number, since it uses less digits than its factorization.

22939422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709 (or 1698 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 22939422 is about 4789.5116661305. The cubic root of 22939422 is about 284.1368034290.

The spelling of 22939422 in words is "twenty-two million, nine hundred thirty-nine thousand, four hundred twenty-two".