22374739 has 8 divisors (see below), whose sum is σ = 22828400. Its totient is φ = 21924000.

The previous prime is 22374731. The next prime is 22374743. The reversal of 22374739 is 93747322.

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

It is a cyclic number.

It is not a de Polignac number, because 22374739 - 2³ = 22374731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22374698 and 22374707.

It is not an unprimeable number, because it can be changed into a prime (22374731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20764 + ... + 21814.

It is an arithmetic number, because the mean of its divisors is an integer number (2853550).

Almost surely, 2^22374739 is an apocalyptic number.

22374739 is a deficient number, since it is larger than the sum of its proper divisors (453661).

22374739 is a wasteful number, since it uses less digits than its factorization.

22374739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461.

The product of its digits is 63504, while the sum is 37.

The square root of 22374739 is about 4730.1943934684. The cubic root of 22374739 is about 281.7859440594.

The spelling of 22374739 in words is "twenty-two million, three hundred seventy-four thousand, seven hundred thirty-nine".