20834222 has 16 divisors (see below), whose sum is σ = 33221760. Its totient is φ = 9771192.

The previous prime is 20834213. The next prime is 20834243. The reversal of 20834222 is 22243802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1253 + ... + 6575.

It is an arithmetic number, because the mean of its divisors is an integer number (2076360).

Almost surely, 2^20834222 is an apocalyptic number.

20834222 is a deficient number, since it is larger than the sum of its proper divisors (12387538).

20834222 is a wasteful number, since it uses less digits than its factorization.

20834222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5447.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 20834222 is about 4564.4519933942. The cubic root of 20834222 is about 275.1645164358.

The spelling of 20834222 in words is "twenty million, eight hundred thirty-four thousand, two hundred twenty-two".