68802228 has 36 divisors (see below), whose sum is σ = 189728448. Its totient is φ = 20849040.

The previous prime is 68802199. The next prime is 68802229. The reversal of 68802228 is 82220886.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 68802192 and 68802201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68802229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86476 + ... + 87267.

Almost surely, 2^68802228 is an apocalyptic number.

It is an amenable number.

68802228 is an abundant number, since it is smaller than the sum of its proper divisors (120926220).

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

68802228 is a wasteful number, since it uses less digits than its factorization.

68802228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173764 (or 173759 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 68802228 is about 8294.7108448698. The cubic root of 68802228 is about 409.7643460396.

The spelling of 68802228 in words is "sixty-eight million, eight hundred two thousand, two hundred twenty-eight".