223618952 has 36 divisors (see below), whose sum is σ = 446836965. Its totient is φ = 104894080.

The previous prime is 223618951. The next prime is 223618987. The reversal of 223618952 is 259816322.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 204661636 + 18957316 = 14306^2 + 4354^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=10574.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223618951) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 718877 + ... + 719187.

Almost surely, 2^223618952 is an apocalyptic number.

It is an amenable number.

223618952 is a deficient number, since it is larger than the sum of its proper divisors (223218013).

223618952 is an equidigital number, since it uses as much as digits as its factorization.

223618952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662 (or 330 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 223618952 is about 14953.8942085331. The cubic root of 223618952 is about 606.9732280405.

It can be divided in two parts, 22361 and 8952, that added together give a palindrome (31313).

The spelling of 223618952 in words is "two hundred twenty-three million, six hundred eighteen thousand, nine hundred fifty-two".