70228868 has 12 divisors (see below), whose sum is σ = 122976000. Its totient is φ = 35092872.

The previous prime is 70228811. The next prime is 70228897. The reversal of 70228868 is 86882207.

It is a super-2 number, since 2×70228868² = 9864187801122848, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3605 + ... + 12387.

It is an arithmetic number, because the mean of its divisors is an integer number (10248000).

Almost surely, 2^70228868 is an apocalyptic number.

It is an amenable number.

70228868 is a deficient number, since it is larger than the sum of its proper divisors (52747132).

70228868 is a wasteful number, since it uses less digits than its factorization.

70228868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10786 (or 10784 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 70228868 is about 8380.2665828719. The cubic root of 70228868 is about 412.5771986522.

The spelling of 70228868 in words is "seventy million, two hundred twenty-eight thousand, eight hundred sixty-eight".