68225256 has 48 divisors (see below), whose sum is σ = 201576960. Its totient is φ = 20674080.

The previous prime is 68225221. The next prime is 68225263. The reversal of 68225256 is 65252286.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 68225256.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42280 + ... + 43863.

It is an arithmetic number, because the mean of its divisors is an integer number (4199520).

Almost surely, 2^68225256 is an apocalyptic number.

68225256 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

68225256 is an abundant number, since it is smaller than the sum of its proper divisors (133351704).

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

68225256 is a wasteful number, since it uses less digits than its factorization.

68225256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86166 (or 86159 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 68225256 is about 8259.8581101615. The cubic root of 68225256 is about 408.6157082059.

The spelling of 68225256 in words is "sixty-eight million, two hundred twenty-five thousand, two hundred fifty-six".