222113124 has 24 divisors (see below), whose sum is σ = 575849120. Its totient is φ = 74037672.

The previous prime is 222113123. The next prime is 222113137. The reversal of 222113124 is 421311222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 222113097 and 222113106.

It is not an unprimeable number, because it can be changed into a prime (222113123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1028194 + ... + 1028409.

Almost surely, 2^222113124 is an apocalyptic number.

It is an amenable number.

222113124 is an abundant number, since it is smaller than the sum of its proper divisors (353735996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222113124 is a wasteful number, since it uses less digits than its factorization.

222113124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056616 (or 2056608 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 222113124 is about 14903.4601351498. The cubic root of 222113124 is about 605.6077257387.

Adding to 222113124 its reverse (421311222), we get a palindrome (643424346).

The spelling of 222113124 in words is "two hundred twenty-two million, one hundred thirteen thousand, one hundred twenty-four".