22666748458 has 8 divisors (see below), whose sum is σ = 34216684452. Its totient is φ = 11261186976.

The previous prime is 22666748453. The next prime is 22666748471. The reversal of 22666748458 is 85484766622.

It can be written as a sum of positive squares in 2 ways, for example, as 22491900729 + 174847729 = 149973^2 + 13223^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22666748453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36093235 + ... + 36093862.

Almost surely, 2^22666748458 is an apocalyptic number.

22666748458 is a deficient number, since it is larger than the sum of its proper divisors (11549935994).

22666748458 is a wasteful number, since it uses less digits than its factorization.

22666748458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72187256.

The product of its digits is 30965760, while the sum is 58.

The spelling of 22666748458 in words is "twenty-two billion, six hundred sixty-six million, seven hundred forty-eight thousand, four hundred fifty-eight".