216254206 has 16 divisors (see below), whose sum is σ = 372096000. Its totient is φ = 92336760.

The previous prime is 216254183. The next prime is 216254209. The reversal of 216254206 is 602452612.

It is a super-2 number, since 2×216254206² = 93531763225380872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216254209) 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, 24706 + ... + 32293.

It is an arithmetic number, because the mean of its divisors is an integer number (23256000).

Almost surely, 2^216254206 is an apocalyptic number.

216254206 is a deficient number, since it is larger than the sum of its proper divisors (155841794).

216254206 is a wasteful number, since it uses less digits than its factorization.

216254206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57279.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 216254206 is about 14705.5841774477. The cubic root of 216254206 is about 600.2352836499.

The spelling of 216254206 in words is "two hundred sixteen million, two hundred fifty-four thousand, two hundred six".