88221713 has 2 divisors, whose sum is σ = 88221714. Its totient is φ = 88221712.

The previous prime is 88221667. The next prime is 88221719. The reversal of 88221713 is 31712288.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71436304 + 16785409 = 8452^2 + 4097^2 .

It is a cyclic number.

It is not a de Polignac number, because 88221713 - 2⁶ = 88221649 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88221713.

It is not a weakly prime, because it can be changed into another prime (88221719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44110856 + 44110857.

It is an arithmetic number, because the mean of its divisors is an integer number (44110857).

Almost surely, 2^88221713 is an apocalyptic number.

It is an amenable number.

88221713 is a deficient number, since it is larger than the sum of its proper divisors (1).

88221713 is an equidigital number, since it uses as much as digits as its factorization.

88221713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 32.

The square root of 88221713 is about 9392.6414282671. The cubic root of 88221713 is about 445.1692543052.

The spelling of 88221713 in words is "eighty-eight million, two hundred twenty-one thousand, seven hundred thirteen".