65222205 has 16 divisors (see below), whose sum is σ = 104455680. Its totient is φ = 34751808.

The previous prime is 65222191. The next prime is 65222207. The reversal of 65222205 is 50222256.

It is not a de Polignac number, because 65222205 - 2⁶ = 65222141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65222207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29364 + ... + 31506.

It is an arithmetic number, because the mean of its divisors is an integer number (6528480).

Almost surely, 2^65222205 is an apocalyptic number.

It is an amenable number.

65222205 is a deficient number, since it is larger than the sum of its proper divisors (39233475).

65222205 is a wasteful number, since it uses less digits than its factorization.

65222205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 65222205 is about 8076.0265601346. The cubic root of 65222205 is about 402.5302216162.

The spelling of 65222205 in words is "sixty-five million, two hundred twenty-two thousand, two hundred five".