65215022 has 8 divisors (see below), whose sum is σ = 97856856. Its totient is φ = 32596072.

The previous prime is 65215021. The next prime is 65215063. The reversal of 65215022 is 22051256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65215021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7748 + ... + 13800.

It is an arithmetic number, because the mean of its divisors is an integer number (12232107).

Almost surely, 2^65215022 is an apocalyptic number.

65215022 is a deficient number, since it is larger than the sum of its proper divisors (32641834).

65215022 is a wasteful number, since it uses less digits than its factorization.

65215022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11442.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 65215022 is about 8075.5818366233. The cubic root of 65215022 is about 402.5154440276.

Adding to 65215022 its reverse (22051256), we get a palindrome (87266278).

The spelling of 65215022 in words is "sixty-five million, two hundred fifteen thousand, twenty-two".