68020225 has 48 divisors (see below), whose sum is σ = 107493120. Its totient is φ = 41529600.

The previous prime is 68020217. The next prime is 68020241. The reversal of 68020225 is 52202086.

It is not a de Polignac number, because 68020225 - 2³ = 68020217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 68020225.

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, 65460 + ... + 66490.

It is an arithmetic number, because the mean of its divisors is an integer number (2239440).

Almost surely, 2^68020225 is an apocalyptic number.

68020225 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

68020225 is a deficient number, since it is larger than the sum of its proper divisors (39472895).

68020225 is a wasteful number, since it uses less digits than its factorization.

68020225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090 (or 1085 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 68020225 is about 8247.4374808179. The cubic root of 68020225 is about 408.2059725895.

The spelling of 68020225 in words is "sixty-eight million, twenty thousand, two hundred twenty-five".