202022189 has 4 divisors (see below), whose sum is σ = 202108800. Its totient is φ = 201935580.

The previous prime is 202022173. The next prime is 202022221. The reversal of 202022189 is 981220202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202022189 - 2⁴ = 202022173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202022089) 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 3 ways as a sum of consecutive naturals, for example, 39707 + ... + 44504.

It is an arithmetic number, because the mean of its divisors is an integer number (50527200).

Almost surely, 2^202022189 is an apocalyptic number.

It is an amenable number.

202022189 is a deficient number, since it is larger than the sum of its proper divisors (86611).

202022189 is an equidigital number, since it uses as much as digits as its factorization.

202022189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86610.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 202022189 is about 14213.4509884123. The cubic root of 202022189 is about 586.7679140784.

The spelling of 202022189 in words is "two hundred two million, twenty-two thousand, one hundred eighty-nine".