70223812 has 12 divisors (see below), whose sum is σ = 123434640. Its totient is φ = 34956776.

The previous prime is 70223801. The next prime is 70223827. The reversal of 70223812 is 21832207.

It is a super-2 number, since 2×70223812² = 9862767543622688, 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, 37762 + ... + 39577.

It is an arithmetic number, because the mean of its divisors is an integer number (10286220).

Almost surely, 2^70223812 is an apocalyptic number.

It is an amenable number.

70223812 is a deficient number, since it is larger than the sum of its proper divisors (53210828).

70223812 is a wasteful number, since it uses less digits than its factorization.

70223812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77570 (or 77568 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 70223812 is about 8379.9649163943. The cubic root of 70223812 is about 412.5672974988.

The spelling of 70223812 in words is "seventy million, two hundred twenty-three thousand, eight hundred twelve".