202822 has 4 divisors (see below), whose sum is σ = 304236. Its totient is φ = 101410.

The previous prime is 202817. The next prime is 202823. The reversal of 202822 is 228202.

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

It is a super-2 number, since 2×202822² = 82273527368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202796 and 202805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202823) by changing a digit.

202822 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50704 + ... + 50707.

It is an arithmetic number, because the mean of its divisors is an integer number (76059).

2²⁰²⁸²² is an apocalyptic number.

202822 is a deficient number, since it is larger than the sum of its proper divisors (101414).

202822 is a wasteful number, since it uses less digits than its factorization.

202822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101413.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 202822 is about 450.3576356630. The cubic root of 202822 is about 58.7541237486.

It can be divided in two parts, 202 and 822, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 202822 in words is "two hundred two thousand, eight hundred twenty-two".