22457663 has 8 divisors (see below), whose sum is σ = 24134832. Its totient is φ = 20820096.

The previous prime is 22457657. The next prime is 22457689. The reversal of 22457663 is 36675422.

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 22457663 - 2¹² = 22453567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22457623) 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, 8720 + ... + 10997.

It is an arithmetic number, because the mean of its divisors is an integer number (3016854).

Almost surely, 2^22457663 is an apocalyptic number.

22457663 is a deficient number, since it is larger than the sum of its proper divisors (1677169).

22457663 is a wasteful number, since it uses less digits than its factorization.

22457663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19801.

The product of its digits is 60480, while the sum is 35.

The square root of 22457663 is about 4738.9516773227. The cubic root of 22457663 is about 282.1336279659.

The spelling of 22457663 in words is "twenty-two million, four hundred fifty-seven thousand, six hundred sixty-three".