22939 has 8 divisors (see below), whose sum is σ = 27360. Its totient is φ = 18816.

The previous prime is 22937. The next prime is 22943. The reversal of 22939 is 93922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22939 - 2¹ = 22937 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12 and base 16.

It is not an unprimeable number, because it can be changed into a prime (22937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147 + ... + 259.

It is an arithmetic number, because the mean of its divisors is an integer number (3420).

2²²⁹³⁹ is an apocalyptic number.

22939 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

22939 is a deficient number, since it is larger than the sum of its proper divisors (4421).

22939 is a wasteful number, since it uses less digits than its factorization.

22939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149.

The product of its digits is 972, while the sum is 25.

The square root of 22939 is about 151.4562643142. The cubic root of 22939 is about 28.4135061065.

It can be divided in two parts, 22 and 939, that added together give a square (961 = 31²).

The spelling of 22939 in words is "twenty-two thousand, nine hundred thirty-nine".