22047713 has 2 divisors, whose sum is σ = 22047714. Its totient is φ = 22047712.

The previous prime is 22047689. The next prime is 22047719. The reversal of 22047713 is 31774022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20729809 + 1317904 = 4553^2 + 1148^2 .

It is a cyclic number.

It is not a de Polignac number, because 22047713 - 2¹² = 22043617 is a prime.

It is a super-2 number, since 2×22047713² = 972203297060738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22047719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11023856 + 11023857.

It is an arithmetic number, because the mean of its divisors is an integer number (11023857).

Almost surely, 2^22047713 is an apocalyptic number.

It is an amenable number.

22047713 is a deficient number, since it is larger than the sum of its proper divisors (1).

22047713 is an equidigital number, since it uses as much as digits as its factorization.

22047713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 22047713 is about 4695.4992279842. The cubic root of 22047713 is about 280.4063530177.

The spelling of 22047713 in words is "twenty-two million, forty-seven thousand, seven hundred thirteen".