22714765 has 4 divisors (see below), whose sum is σ = 27257724. Its totient is φ = 18171808.

The previous prime is 22714763. The next prime is 22714787. The reversal of 22714765 is 56741722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56741722 = 2 ⋅28370861.

It can be written as a sum of positive squares in 2 ways, for example, as 8191044 + 14523721 = 2862^2 + 3811^2 .

It is a cyclic number.

It is not a de Polignac number, because 22714765 - 2¹ = 22714763 is a prime.

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 22714765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22714763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2271472 + ... + 2271481.

It is an arithmetic number, because the mean of its divisors is an integer number (6814431).

Almost surely, 2^22714765 is an apocalyptic number.

It is an amenable number.

22714765 is a deficient number, since it is larger than the sum of its proper divisors (4542959).

22714765 is an equidigital number, since it uses as much as digits as its factorization.

22714765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4542958.

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

The square root of 22714765 is about 4766.0009441879. Note that the first 3 decimals coincide. The cubic root of 22714765 is about 283.2061951694.

The spelling of 22714765 in words is "twenty-two million, seven hundred fourteen thousand, seven hundred sixty-five".