22742459 has 8 divisors (see below), whose sum is σ = 23248512. Its totient is φ = 22239360.

The previous prime is 22742453. The next prime is 22742471. The reversal of 22742459 is 95424722.

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 22742459 - 2⁴ = 22742443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22742453) 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, 22454 + ... + 23444.

It is an arithmetic number, because the mean of its divisors is an integer number (2906064).

Almost surely, 2^22742459 is an apocalyptic number.

22742459 is a deficient number, since it is larger than the sum of its proper divisors (506053).

22742459 is an equidigital number, since it uses as much as digits as its factorization.

22742459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477.

The product of its digits is 40320, while the sum is 35.

The square root of 22742459 is about 4768.9054299703. The cubic root of 22742459 is about 283.3212440824.

The spelling of 22742459 in words is "twenty-two million, seven hundred forty-two thousand, four hundred fifty-nine".