216230350 has 24 divisors (see below), whose sum is σ = 459644688. Its totient is φ = 74136000.

The previous prime is 216230341. The next prime is 216230353. The reversal of 216230350 is 53032612.

It is a super-2 number, since 2×216230350² = 93511128522245000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216230353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 308551 + ... + 309250.

It is an arithmetic number, because the mean of its divisors is an integer number (19151862).

Almost surely, 2^216230350 is an apocalyptic number.

216230350 is an abundant number, since it is smaller than the sum of its proper divisors (243414338).

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

216230350 is a wasteful number, since it uses less digits than its factorization.

216230350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617820 (or 617815 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 216230350 is about 14704.7730346306. The cubic root of 216230350 is about 600.2132112630.

Adding to 216230350 its reverse (53032612), we get a palindrome (269262962).

The spelling of 216230350 in words is "two hundred sixteen million, two hundred thirty thousand, three hundred fifty".