22716457 has 8 divisors (see below), whose sum is σ = 24053760. Its totient is φ = 21393360.

The previous prime is 22716439. The next prime is 22716469. The reversal of 22716457 is 75461722.

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 22716457 - 2⁷ = 22716329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22716497) 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, 169 + ... + 6742.

It is an arithmetic number, because the mean of its divisors is an integer number (3006720).

Almost surely, 2^22716457 is an apocalyptic number.

It is an amenable number.

22716457 is a deficient number, since it is larger than the sum of its proper divisors (1337303).

22716457 is a wasteful number, since it uses less digits than its factorization.

22716457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7103.

The product of its digits is 23520, while the sum is 34.

The square root of 22716457 is about 4766.1784481910. The cubic root of 22716457 is about 283.2132269097.

The spelling of 22716457 in words is "twenty-two million, seven hundred sixteen thousand, four hundred fifty-seven".