222222113 has 16 divisors (see below), whose sum is σ = 246571776. Its totient is φ = 199203840.

The previous prime is 222222103. The next prime is 222222131. The reversal of 222222113 is 311222222.

It is a cyclic number.

It is not a de Polignac number, because 222222113 - 2²² = 218027809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 222222091 and 222222100.

It is not an unprimeable number, because it can be changed into a prime (222222103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101753 + ... + 103913.

It is an arithmetic number, because the mean of its divisors is an integer number (15410736).

Almost surely, 2^222222113 is an apocalyptic number.

222222113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

222222113 is a deficient number, since it is larger than the sum of its proper divisors (24349663).

222222113 is a wasteful number, since it uses less digits than its factorization.

222222113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464.

The product of its digits is 192, while the sum is 17.

The square root of 222222113 is about 14907.1161865734. The cubic root of 222222113 is about 605.7067650424.

Adding to 222222113 its reverse (311222222), we get a palindrome (533444335).

The spelling of 222222113 in words is "two hundred twenty-two million, two hundred twenty-two thousand, one hundred thirteen".