215468361 has 12 divisors (see below), whose sum is σ = 314142192. Its totient is φ = 142302456.

The previous prime is 215468291. The next prime is 215468369. The reversal of 215468361 is 163864512.

It is a happy number.

It is not a de Polignac number, because 215468361 - 2¹⁰ = 215467337 is a prime.

It is a super-2 number, since 2×215468361² = 92853229184052642, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (215468369) 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, 110911 + ... + 112836.

It is an arithmetic number, because the mean of its divisors is an integer number (26178516).

Almost surely, 2^215468361 is an apocalyptic number.

It is an amenable number.

215468361 is a deficient number, since it is larger than the sum of its proper divisors (98673831).

215468361 is a wasteful number, since it uses less digits than its factorization.

215468361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223860 (or 223857 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 215468361 is about 14678.8405877304. The cubic root of 215468361 is about 599.5073372497.

The spelling of 215468361 in words is "two hundred fifteen million, four hundred sixty-eight thousand, three hundred sixty-one".