22250713 has 4 divisors (see below), whose sum is σ = 22326948. Its totient is φ = 22174480.

The previous prime is 22250707. The next prime is 22250719. The reversal of 22250713 is 31705222.

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

It is an interprime number because it is at equal distance from previous prime (22250707) and next prime (22250719).

It can be written as a sum of positive squares in 2 ways, for example, as 20313049 + 1937664 = 4507^2 + 1392^2 .

It is a cyclic number.

It is not a de Polignac number, because 22250713 - 2¹⁷ = 22119641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22250719) 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, 37678 + ... + 38263.

It is an arithmetic number, because the mean of its divisors is an integer number (5581737).

Almost surely, 2^22250713 is an apocalyptic number.

It is an amenable number.

22250713 is a deficient number, since it is larger than the sum of its proper divisors (76235).

22250713 is an equidigital number, since it uses as much as digits as its factorization.

22250713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76234.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 22250713 is about 4717.0661432717. The cubic root of 22250713 is about 281.2643207194.

Adding to 22250713 its reverse (31705222), we get a palindrome (53955935).

The spelling of 22250713 in words is "twenty-two million, two hundred fifty thousand, seven hundred thirteen".