65652222 has 32 divisors (see below), whose sum is σ = 133778304. Its totient is φ = 21476000.

The previous prime is 65652221. The next prime is 65652227. The reversal of 65652222 is 22225656.

It is a super-3 number, since 3×65652222³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65652222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65652221) 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, 78973 + ... + 79799.

It is an arithmetic number, because the mean of its divisors is an integer number (4180572).

Almost surely, 2^65652222 is an apocalyptic number.

65652222 is an abundant number, since it is smaller than the sum of its proper divisors (68126082).

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

65652222 is a wasteful number, since it uses less digits than its factorization.

65652222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064.

The product of its digits is 14400, while the sum is 30.

The square root of 65652222 is about 8102.6058771237. The cubic root of 65652222 is about 403.4129261830.

Adding to 65652222 its reverse (22225656), we get a palindrome (87877878).

The spelling of 65652222 in words is "sixty-five million, six hundred fifty-two thousand, two hundred twenty-two".