223915122 has 18 divisors (see below), whose sum is σ = 485287023. Its totient is φ = 74617212.

The previous prime is 223915117. The next prime is 223915183. The reversal of 223915122 is 221519322.

It is a happy number.

223915122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 111957561 + 111957561 = 10581^2 + 10581^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=10581.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 61723 + ... + 65249.

Almost surely, 2^223915122 is an apocalyptic number.

223915122 is an abundant number, since it is smaller than the sum of its proper divisors (261371901).

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

223915122 is an frugal number, since it uses more digits than its factorization.

223915122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7062 (or 3532 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 223915122 is about 14963.7937034697. The cubic root of 223915122 is about 607.2410764704.

The spelling of 223915122 in words is "two hundred twenty-three million, nine hundred fifteen thousand, one hundred twenty-two".