215302234 has 16 divisors (see below), whose sum is σ = 378092736. Its totient is φ = 90021600.

The previous prime is 215302201. The next prime is 215302237. The reversal of 215302234 is 432203512.

It is not an unprimeable number, because it can be changed into a prime (215302237) 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, 186972 + ... + 188119.

It is an arithmetic number, because the mean of its divisors is an integer number (23630796).

Almost surely, 2^215302234 is an apocalyptic number.

215302234 is a deficient number, since it is larger than the sum of its proper divisors (162790502).

215302234 is a wasteful number, since it uses less digits than its factorization.

215302234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375141.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 215302234 is about 14673.1807730976. The cubic root of 215302234 is about 599.3532234210.

Adding to 215302234 its reverse (432203512), we get a palindrome (647505746).

The spelling of 215302234 in words is "two hundred fifteen million, three hundred two thousand, two hundred thirty-four".