22401374 has 8 divisors (see below), whose sum is σ = 33948768. Its totient is φ = 11085120.

The previous prime is 22401371. The next prime is 22401377. The reversal of 22401374 is 47310422.

It is an interprime number because it is at equal distance from previous prime (22401371) and next prime (22401377).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22401371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57542 + ... + 57929.

It is an arithmetic number, because the mean of its divisors is an integer number (4243596).

Almost surely, 2^22401374 is an apocalyptic number.

22401374 is a deficient number, since it is larger than the sum of its proper divisors (11547394).

22401374 is a wasteful number, since it uses less digits than its factorization.

22401374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115570.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 22401374 is about 4733.0089794971. The cubic root of 22401374 is about 281.8977128484.

Adding to 22401374 its reverse (47310422), we get a palindrome (69711796).

The spelling of 22401374 in words is "twenty-two million, four hundred one thousand, three hundred seventy-four".