65222256 has 40 divisors (see below), whose sum is σ = 183809664. Its totient is φ = 19764160.

The previous prime is 65222243. The next prime is 65222257.

65222256 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65222257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61236 + ... + 62291.

Almost surely, 2^65222256 is an apocalyptic number.

65222256 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

65222256 is an abundant number, since it is smaller than the sum of its proper divisors (118587408).

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

65222256 is a wasteful number, since it uses less digits than its factorization.

65222256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123549 (or 123543 counting only the distinct ones).

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

The square root of 65222256 is about 8076.0297176273. The cubic root of 65222256 is about 402.5303265346.

It can be divided in two parts, 6522 and 2256, that added together give a palindrome (8778).

The spelling of 65222256 in words is "sixty-five million, two hundred twenty-two thousand, two hundred fifty-six".