22390042657 has 8 divisors (see below), whose sum is σ = 22646891520. Its totient is φ = 22133311200.

The previous prime is 22390042621. The next prime is 22390042663. The reversal of 22390042657 is 75624009322.

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 22390042657 - 2²³ = 22381654049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22390042667) 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, 388032 + ... + 441982.

It is an arithmetic number, because the mean of its divisors is an integer number (2830861440).

Almost surely, 2^22390042657 is an apocalyptic number.

It is an amenable number.

22390042657 is a deficient number, since it is larger than the sum of its proper divisors (256848863).

22390042657 is an equidigital number, since it uses as much as digits as its factorization.

22390042657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58703.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 22390042657 in words is "twenty-two billion, three hundred ninety million, forty-two thousand, six hundred fifty-seven".