65222163 has 12 divisors (see below), whose sum is σ = 95403360. Its totient is φ = 42930576.

The previous prime is 65222153. The next prime is 65222191. The reversal of 65222163 is 36122256.

65222163 is a `hidden beast` number, since 652 + 2 + 2 + 1 + 6 + 3 = 666.

It is not a de Polignac number, because 65222163 - 2¹³ = 65213971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65222123) 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, 45156 + ... + 46577.

It is an arithmetic number, because the mean of its divisors is an integer number (7950280).

Almost surely, 2^65222163 is an apocalyptic number.

65222163 is a deficient number, since it is larger than the sum of its proper divisors (30181197).

65222163 is a wasteful number, since it uses less digits than its factorization.

65222163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91818 (or 91815 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 65222163 is about 8076.0239598456. The cubic root of 65222163 is about 402.5301352127.

The spelling of 65222163 in words is "sixty-five million, two hundred twenty-two thousand, one hundred sixty-three".