22247713 has 8 divisors (see below), whose sum is σ = 23600808. Its totient is φ = 20899584.

The previous prime is 22247683. The next prime is 22247717. The reversal of 22247713 is 31774222.

It can be written as a sum of positive squares in 4 ways, for example, as 1014049 + 21233664 = 1007^2 + 4608^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22247713 - 2⁵ = 22247681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22247717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12295 + ... + 13987.

It is an arithmetic number, because the mean of its divisors is an integer number (2950101).

Almost surely, 2^22247713 is an apocalyptic number.

It is an amenable number.

22247713 is a deficient number, since it is larger than the sum of its proper divisors (1353095).

22247713 is a wasteful number, since it uses less digits than its factorization.

22247713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483.

The product of its digits is 4704, while the sum is 28.

The square root of 22247713 is about 4716.7481382834. The cubic root of 22247713 is about 281.2516794632.

The spelling of 22247713 in words is "twenty-two million, two hundred forty-seven thousand, seven hundred thirteen".