215052330 has 16 divisors (see below), whose sum is σ = 516125664. Its totient is φ = 57347280.

The previous prime is 215052311. The next prime is 215052337. The reversal of 215052330 is 33250512.

It is a junction number, because it is equal to n+sod(n) for n = 215052297 and 215052306.

It is not an unprimeable number, because it can be changed into a prime (215052337) 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, 3584176 + ... + 3584235.

It is an arithmetic number, because the mean of its divisors is an integer number (32257854).

Almost surely, 2^215052330 is an apocalyptic number.

215052330 is an abundant number, since it is smaller than the sum of its proper divisors (301073334).

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

215052330 is a wasteful number, since it uses less digits than its factorization.

215052330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7168421.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 215052330 is about 14664.6626282366. The cubic root of 215052330 is about 599.1212413782.

The spelling of 215052330 in words is "two hundred fifteen million, fifty-two thousand, three hundred thirty".