22718701 has 4 divisors (see below), whose sum is σ = 22730400. Its totient is φ = 22707004.

The previous prime is 22718693. The next prime is 22718747. The reversal of 22718701 is 10781722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22718701 - 2³ = 22718693 is a prime.

It is a super-2 number, since 2×22718701² = 1032278750254802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22718701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22718771) 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, 2161 + ... + 7078.

It is an arithmetic number, because the mean of its divisors is an integer number (5682600).

Almost surely, 2^22718701 is an apocalyptic number.

It is an amenable number.

22718701 is a deficient number, since it is larger than the sum of its proper divisors (11699).

22718701 is an equidigital number, since it uses as much as digits as its factorization.

22718701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11698.

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 22718701 is about 4766.4138511044. The cubic root of 22718701 is about 283.2225521543. Note that the first 3 decimals are identical.

The spelling of 22718701 in words is "twenty-two million, seven hundred eighteen thousand, seven hundred one".