70222999 has 32 divisors (see below), whose sum is σ = 90832896. Its totient is φ = 52708320.

The previous prime is 70222991. The next prime is 70223009. The reversal of 70222999 is 99922207.

It is not a de Polignac number, because 70222999 - 2³ = 70222991 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70222991) 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 31 ways as a sum of consecutive naturals, for example, 420414 + ... + 420580.

It is an arithmetic number, because the mean of its divisors is an integer number (2838528).

Almost surely, 2^70222999 is an apocalyptic number.

70222999 is a deficient number, since it is larger than the sum of its proper divisors (20609897).

70222999 is a wasteful number, since it uses less digits than its factorization.

70222999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 70222999 is about 8379.9164076976. The cubic root of 70222999 is about 412.5657053584.

The spelling of 70222999 in words is "seventy million, two hundred twenty-two thousand, nine hundred ninety-nine".