169970422 has 4 divisors (see below), whose sum is σ = 254955636. Its totient is φ = 84985210.

The previous prime is 169970413. The next prime is 169970431. The reversal of 169970422 is 224079961.

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

It is an interprime number because it is at equal distance from previous prime (169970413) and next prime (169970431).

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 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 as a sum of consecutive naturals, namely, 42492604 + ... + 42492607.

It is an arithmetic number, because the mean of its divisors is an integer number (63738909).

Almost surely, 2^169970422 is an apocalyptic number.

169970422 is a deficient number, since it is larger than the sum of its proper divisors (84985214).

169970422 is an equidigital number, since it uses as much as digits as its factorization.

169970422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84985213.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 169970422 is about 13037.2704965418. The cubic root of 169970422 is about 553.9336959665.

The spelling of 169970422 in words is "one hundred sixty-nine million, nine hundred seventy thousand, four hundred twenty-two".