22474439 has 8 divisors (see below), whose sum is σ = 24381840. Its totient is φ = 20592576.

The previous prime is 22474421. The next prime is 22474447. The reversal of 22474439 is 93447422.

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 22474439 - 2⁸ = 22474183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22474399 and 22474408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22470439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4529 + ... + 8090.

It is an arithmetic number, because the mean of its divisors is an integer number (3047730).

Almost surely, 2^22474439 is an apocalyptic number.

22474439 is a deficient number, since it is larger than the sum of its proper divisors (1907401).

22474439 is a wasteful number, since it uses less digits than its factorization.

22474439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12769.

The product of its digits is 48384, while the sum is 35.

The square root of 22474439 is about 4740.7213586120. The cubic root of 22474439 is about 282.2038622802.

The spelling of 22474439 in words is "twenty-two million, four hundred seventy-four thousand, four hundred thirty-nine".