233213242 has 32 divisors (see below), whose sum is σ = 378003024. Its totient is φ = 107520000.

The previous prime is 233213237. The next prime is 233213243. The reversal of 233213242 is 242312332.

It can be written as a sum of positive squares in 8 ways, for example, as 182817441 + 50395801 = 13521^2 + 7099^2 .

It is not an unprimeable number, because it can be changed into a prime (233213243) 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, 387742 + ... + 388342.

Almost surely, 2^233213242 is an apocalyptic number.

233213242 is a deficient number, since it is larger than the sum of its proper divisors (144789782).

233213242 is a wasteful number, since it uses less digits than its factorization.

233213242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834.

The product of its digits is 1728, while the sum is 22.

The square root of 233213242 is about 15271.3208989923. The cubic root of 233213242 is about 615.5326137124.

Adding to 233213242 its reverse (242312332), we get a palindrome (475525574).

The spelling of 233213242 in words is "two hundred thirty-three million, two hundred thirteen thousand, two hundred forty-two".