70122223 has 4 divisors (see below), whose sum is σ = 70139808. Its totient is φ = 70104640.

The previous prime is 70122211. The next prime is 70122253. The reversal of 70122223 is 32222107.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70122223 - 2⁵ = 70122191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70122223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70122253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378 + ... + 11848.

It is an arithmetic number, because the mean of its divisors is an integer number (17534952).

Almost surely, 2^70122223 is an apocalyptic number.

70122223 is a deficient number, since it is larger than the sum of its proper divisors (17585).

70122223 is a wasteful number, since it uses less digits than its factorization.

70122223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17584.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 70122223 is about 8373.9013010663. The cubic root of 70122223 is about 412.3682552034.

The spelling of 70122223 in words is "seventy million, one hundred twenty-two thousand, two hundred twenty-three".