65222360280 has 192 divisors, whose sum is σ = 264277728000. Its totient is φ = 13552692480.

The previous prime is 65222360279. The next prime is 65222360309. The reversal of 65222360280 is 8206322256.

65222360280 is a `hidden beast` number, since 6 + 5 + 22 + 23 + 602 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1148730 + ... + 1204169.

It is an arithmetic number, because the mean of its divisors is an integer number (1376446500).

Almost surely, 2^65222360280 is an apocalyptic number.

65222360280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65222360280 is an abundant number, since it is smaller than the sum of its proper divisors (199055367720).

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

65222360280 is a wasteful number, since it uses less digits than its factorization.

65222360280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352934 (or 2352927 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 65222360280 in words is "sixty-five billion, two hundred twenty-two million, three hundred sixty thousand, two hundred eighty".