23422 has 12 divisors (see below), whose sum is σ = 41040. Its totient is φ = 9996.

The previous prime is 23417. The next prime is 23431. The reversal of 23422 is 22432.

23422 = T₃ + T₄ + ... + T₅₁.

It is a plaindrome in base 12.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

23422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22 + ... + 217.

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

2²³⁴²² is an apocalyptic number.

23422 is a deficient number, since it is larger than the sum of its proper divisors (17618).

23422 is a wasteful number, since it uses less digits than its factorization.

23422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 248 counting only the distinct ones).

The product of its digits is 96, while the sum is 13.

The square root of 23422 is about 153.0424777635. The cubic root of 23422 is about 28.6115460252.

Subtracting from 23422 its sum of digits (13), we obtain a square (23409 = 153²).

Adding to 23422 its reverse (22432), we get a palindrome (45854).

Subtracting from 23422 its reverse (22432), we obtain a triangular number (990 = T₄₄).

It can be divided in two parts, 234 and 22, that added together give a 8-th power (256 = 2⁸).

The spelling of 23422 in words is "twenty-three thousand, four hundred twenty-two", and thus it is an iban number.