202202023 has 4 divisors (see below), whose sum is σ = 202302568. Its totient is φ = 202101480.

The previous prime is 202202017. The next prime is 202202041. The reversal of 202202023 is 320202202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320202202 = 2 ⋅160101101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202202023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202201994 and 202202012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206202023) 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, 47193 + ... + 51298.

It is an arithmetic number, because the mean of its divisors is an integer number (50575642).

Almost surely, 2^202202023 is an apocalyptic number.

202202023 is a deficient number, since it is larger than the sum of its proper divisors (100545).

202202023 is an equidigital number, since it uses as much as digits as its factorization.

202202023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100544.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 202202023 is about 14219.7757717905. The cubic root of 202202023 is about 586.9419700844.

Adding to 202202023 its reverse (320202202), we get a palindrome (522404225).

The spelling of 202202023 in words is "two hundred two million, two hundred two thousand, twenty-three".