22374381 has 24 divisors (see below), whose sum is σ = 32567520. Its totient is φ = 13615776.

The previous prime is 22374367. The next prime is 22374383. The reversal of 22374381 is 18347322.

It is not a de Polignac number, because 22374381 - 2⁵ = 22374349 is a prime.

It is a super-2 number, since 2×22374381² = 1001225850266322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22374383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217176 + ... + 217278.

It is an arithmetic number, because the mean of its divisors is an integer number (1356980).

Almost surely, 2^22374381 is an apocalyptic number.

It is an amenable number.

22374381 is a deficient number, since it is larger than the sum of its proper divisors (10193139).

22374381 is a wasteful number, since it uses less digits than its factorization.

22374381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 162 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 22374381 is about 4730.1565513205. The cubic root of 22374381 is about 281.7844411755.

The spelling of 22374381 in words is "twenty-two million, three hundred seventy-four thousand, three hundred eighty-one".