70143224 has 32 divisors (see below), whose sum is σ = 139780080. Its totient is φ = 32884224.

The previous prime is 70143209. The next prime is 70143233. The reversal of 70143224 is 42234107.

It is a super-2 number, since 2×70143224² = 9840143746228352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70143224.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 42299 + ... + 43925.

Almost surely, 2^70143224 is an apocalyptic number.

It is an amenable number.

70143224 is a deficient number, since it is larger than the sum of its proper divisors (69636856).

70143224 is a wasteful number, since it uses less digits than its factorization.

70143224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967 (or 1963 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 70143224 is about 8375.1551627418. The cubic root of 70143224 is about 412.4094180044.

The spelling of 70143224 in words is "seventy million, one hundred forty-three thousand, two hundred twenty-four".