22517713 has 4 divisors (see below), whose sum is σ = 23496768. Its totient is φ = 21538660.

The previous prime is 22517711. The next prime is 22517743. The reversal of 22517713 is 31771522.

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 an emirpimes, since its reverse is a distinct semiprime: 31771522 = 2 ⋅15885761.

It is a cyclic number.

It is not a de Polignac number, because 22517713 - 2¹ = 22517711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22517711) 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, 489493 + ... + 489538.

It is an arithmetic number, because the mean of its divisors is an integer number (5874192).

Almost surely, 2^22517713 is an apocalyptic number.

22517713 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22517713 is a deficient number, since it is larger than the sum of its proper divisors (979055).

22517713 is an equidigital number, since it uses as much as digits as its factorization.

22517713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979054.

The product of its digits is 2940, while the sum is 28.

The square root of 22517713 is about 4745.2832370682. The cubic root of 22517713 is about 282.3848717710.

The spelling of 22517713 in words is "twenty-two million, five hundred seventeen thousand, seven hundred thirteen".