22182374 has 4 divisors (see below), whose sum is σ = 33273564. Its totient is φ = 11091186.

The previous prime is 22182343. The next prime is 22182379. The reversal of 22182374 is 47328122.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22182379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5545592 + ... + 5545595.

It is an arithmetic number, because the mean of its divisors is an integer number (8318391).

Almost surely, 2^22182374 is an apocalyptic number.

22182374 is a deficient number, since it is larger than the sum of its proper divisors (11091190).

22182374 is a wasteful number, since it uses less digits than its factorization.

22182374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11091189.

The product of its digits is 5376, while the sum is 29.

The square root of 22182374 is about 4709.8167692597. The cubic root of 22182374 is about 280.9760747604.

The spelling of 22182374 in words is "twenty-two million, one hundred eighty-two thousand, three hundred seventy-four".