216230452 has 12 divisors (see below), whose sum is σ = 394855776. Its totient is φ = 103414520.

The previous prime is 216230437. The next prime is 216230461. The reversal of 216230452 is 254032612.

216230452 is digitally balanced in base 2, 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, 1175074 + ... + 1175257.

It is an arithmetic number, because the mean of its divisors is an integer number (32904648).

Almost surely, 2^216230452 is an apocalyptic number.

It is an amenable number.

216230452 is a deficient number, since it is larger than the sum of its proper divisors (178625324).

216230452 is a wasteful number, since it uses less digits than its factorization.

216230452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350358 (or 2350356 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 216230452 is about 14704.7765028918. The cubic root of 216230452 is about 600.2133056403.

The spelling of 216230452 in words is "two hundred sixteen million, two hundred thirty thousand, four hundred fifty-two".