70223193 has 10 divisors (see below), whose sum is σ = 104901434. Its totient is φ = 46815408.

The previous prime is 70223191. The next prime is 70223203. The reversal of 70223193 is 39132207.

It can be written as a sum of positive squares in only one way, i.e., 64448784 + 5774409 = 8028^2 + 2403^2 .

It is not a de Polignac number, because 70223193 - 2¹ = 70223191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70223191) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 433396 + ... + 433557.

Almost surely, 2^70223193 is an apocalyptic number.

It is an amenable number.

70223193 is a deficient number, since it is larger than the sum of its proper divisors (34678241).

70223193 is an equidigital number, since it uses as much as digits as its factorization.

70223193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866965 (or 866956 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 70223193 is about 8379.9279829841. The cubic root of 70223193 is about 412.5660852799.

The spelling of 70223193 in words is "seventy million, two hundred twenty-three thousand, one hundred ninety-three".