22746032257 has 8 divisors (see below), whose sum is σ = 24497774336. Its totient is φ = 20994582672.

The previous prime is 22746032213. The next prime is 22746032291. The reversal of 22746032257 is 75223064722.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22746032257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22746032297) 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, 104368 + ... + 237454.

It is an arithmetic number, because the mean of its divisors is an integer number (3062221792).

Almost surely, 2^22746032257 is an apocalyptic number.

It is an amenable number.

22746032257 is a deficient number, since it is larger than the sum of its proper divisors (1751742079).

22746032257 is a wasteful number, since it uses less digits than its factorization.

22746032257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146247.

The product of its (nonzero) digits is 282240, while the sum is 40.

Adding to 22746032257 its reverse (75223064722), we get a palindrome (97969096979).

The spelling of 22746032257 in words is "twenty-two billion, seven hundred forty-six million, thirty-two thousand, two hundred fifty-seven".