22313663 has 4 divisors (see below), whose sum is σ = 22348488. Its totient is φ = 22278840.

The previous prime is 22313659. The next prime is 22313677. The reversal of 22313663 is 36631322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22313663 - 2² = 22313659 is a prime.

It is a super-3 number, since 3×22313663³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22313653) 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, 16433 + ... + 17738.

It is an arithmetic number, because the mean of its divisors is an integer number (5587122).

Almost surely, 2^22313663 is an apocalyptic number.

22313663 is a deficient number, since it is larger than the sum of its proper divisors (34825).

22313663 is an equidigital number, since it uses as much as digits as its factorization.

22313663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34824.

The product of its digits is 3888, while the sum is 26.

The square root of 22313663 is about 4723.7340102931. The cubic root of 22313663 is about 281.5293147458.

Adding to 22313663 its reverse (36631322), we get a palindrome (58944985).

The spelling of 22313663 in words is "twenty-two million, three hundred thirteen thousand, six hundred sixty-three".