215030224 has 20 divisors (see below), whose sum is σ = 416892960. Its totient is φ = 107444960.

The previous prime is 215030219. The next prime is 215030237. The reversal of 215030224 is 422030512.

215030224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28269 + ... + 35059.

It is an arithmetic number, because the mean of its divisors is an integer number (20844648).

Almost surely, 2^215030224 is an apocalyptic number.

It is an amenable number.

215030224 is a deficient number, since it is larger than the sum of its proper divisors (201862736).

215030224 is a wasteful number, since it uses less digits than its factorization.

215030224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8778 (or 8772 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 215030224 is about 14663.9088922429. The cubic root of 215030224 is about 599.1007120680.

Adding to 215030224 its reverse (422030512), we get a palindrome (637060736).

The spelling of 215030224 in words is "two hundred fifteen million, thirty thousand, two hundred twenty-four".