222624013 has 2 divisors, whose sum is σ = 222624014. Its totient is φ = 222624012.

The previous prime is 222624001. The next prime is 222624071. The reversal of 222624013 is 310426222.

222624013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116575209 + 106048804 = 10797^2 + 10298^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222624013 is a prime.

It is a super-2 number, since 2×222624013² = 99122902328448338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222624313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111312006 + 111312007.

It is an arithmetic number, because the mean of its divisors is an integer number (111312007).

Almost surely, 2^222624013 is an apocalyptic number.

It is an amenable number.

222624013 is a deficient number, since it is larger than the sum of its proper divisors (1).

222624013 is an equidigital number, since it uses as much as digits as its factorization.

222624013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 222624013 is about 14920.5902363144. The cubic root of 222624013 is about 606.0716956350.

The spelling of 222624013 in words is "two hundred twenty-two million, six hundred twenty-four thousand, thirteen".