22374 has 24 divisors (see below), whose sum is σ = 53352. Its totient is φ = 6720.

The previous prime is 22369. The next prime is 22381. The reversal of 22374 is 47322.

Added to its reverse (47322) it gives a square (69696 = 264²).

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a d-powerful number, because it can be written as 2 + 2⁵ + 3⁹ + 7⁴ + 4⁴ .

22374 is an undulating number in base 15.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142 + ... + 254.

It is an arithmetic number, because the mean of its divisors is an integer number (2223).

2²²³⁷⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26676).

22374 is an abundant number, since it is smaller than the sum of its proper divisors (30978).

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

22374 is a wasteful number, since it uses less digits than its factorization.

22374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 129 counting only the distinct ones).

The product of its digits is 336, while the sum is 18.

The square root of 22374 is about 149.5794103478. The cubic root of 22374 is about 28.1782841720.

Adding to 22374 its reverse (47322), we get a palindrome (69696).

It can be divided in two parts, 22 and 374, that multiplied together give a palindrome (8228).

The spelling of 22374 in words is "twenty-two thousand, three hundred seventy-four", and thus it is an iban number.