222525539 has 2 divisors, whose sum is σ = 222525540. Its totient is φ = 222525538.

The previous prime is 222525509. The next prime is 222525547. The reversal of 222525539 is 935525222.

222525539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222525539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222525499 and 222525508.

It is not a weakly prime, because it can be changed into another prime (222525509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111262769 + 111262770.

It is an arithmetic number, because the mean of its divisors is an integer number (111262770).

Almost surely, 2^222525539 is an apocalyptic number.

222525539 is a deficient number, since it is larger than the sum of its proper divisors (1).

222525539 is an equidigital number, since it uses as much as digits as its factorization.

222525539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54000, while the sum is 35.

The square root of 222525539 is about 14917.2899348374. The cubic root of 222525539 is about 605.9823205711.

The spelling of 222525539 in words is "two hundred twenty-two million, five hundred twenty-five thousand, five hundred thirty-nine".