65222943 has 16 divisors (see below), whose sum is σ = 91238400. Its totient is φ = 41387360.

The previous prime is 65222933. The next prime is 65222947. The reversal of 65222943 is 34922256.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65222943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65222947) 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, 898 + ... + 11456.

It is an arithmetic number, because the mean of its divisors is an integer number (5702400).

Almost surely, 2^65222943 is an apocalyptic number.

65222943 is a deficient number, since it is larger than the sum of its proper divisors (26015457).

65222943 is a wasteful number, since it uses less digits than its factorization.

65222943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10662.

The product of its digits is 25920, while the sum is 33.

The square root of 65222943 is about 8076.0722507912. The cubic root of 65222943 is about 402.5317398424.

The spelling of 65222943 in words is "sixty-five million, two hundred twenty-two thousand, nine hundred forty-three".