65226222 has 20 divisors (see below), whose sum is σ = 146155416. Its totient is φ = 21742020.

The previous prime is 65226193. The next prime is 65226223. The reversal of 65226222 is 22262256.

65226222 is a `hidden beast` number, since 652 + 2 + 6 + 2 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65226223) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 201154 + ... + 201477.

Almost surely, 2^65226222 is an apocalyptic number.

65226222 is an abundant number, since it is smaller than the sum of its proper divisors (80929194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65226222 is a wasteful number, since it uses less digits than its factorization.

65226222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402645 (or 402636 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 65226222 is about 8076.2752553389. The cubic root of 65226222 is about 402.5384853187.

Adding to 65226222 its reverse (22262256), we get a palindrome (87488478).

The spelling of 65226222 in words is "sixty-five million, two hundred twenty-six thousand, two hundred twenty-two".