22874387 has 4 divisors (see below), whose sum is σ = 22895880. Its totient is φ = 22852896.

The previous prime is 22874377. The next prime is 22874389. The reversal of 22874387 is 78347822.

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

It is a cyclic number.

It is not a de Polignac number, because 22874387 - 2²² = 18680083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22874389) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9062 + ... + 11307.

It is an arithmetic number, because the mean of its divisors is an integer number (5723970).

Almost surely, 2^22874387 is an apocalyptic number.

22874387 is a deficient number, since it is larger than the sum of its proper divisors (21493).

22874387 is a wasteful number, since it uses less digits than its factorization.

22874387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21492.

The product of its digits is 150528, while the sum is 41.

The square root of 22874387 is about 4782.7175329513. The cubic root of 22874387 is about 283.8680328160.

The spelling of 22874387 in words is "twenty-two million, eight hundred seventy-four thousand, three hundred eighty-seven".