222450613 has 32 divisors (see below), whose sum is σ = 293437440. Its totient is φ = 163373760.

The previous prime is 222450607. The next prime is 222450617. The reversal of 222450613 is 316054222.

222450613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222450613 - 2²¹ = 220353461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222450617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 560131 + ... + 560527.

It is an arithmetic number, because the mean of its divisors is an integer number (9169920).

Almost surely, 2^222450613 is an apocalyptic number.

It is an amenable number.

222450613 is a deficient number, since it is larger than the sum of its proper divisors (70986827).

222450613 is a wasteful number, since it uses less digits than its factorization.

222450613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 222450613 is about 14914.7783423020. The cubic root of 222450613 is about 605.9143000217.

The spelling of 222450613 in words is "two hundred twenty-two million, four hundred fifty thousand, six hundred thirteen".