206222844 has 24 divisors (see below), whose sum is σ = 481783680. Its totient is φ = 68655664.

The previous prime is 206222833. The next prime is 206222897. The reversal of 206222844 is 448222602.

It is a super-2 number, since 2×206222844² = 85055722774896672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174 + ... + 20309.

It is an arithmetic number, because the mean of its divisors is an integer number (20074320).

Almost surely, 2^206222844 is an apocalyptic number.

It is an amenable number.

206222844 is an abundant number, since it is smaller than the sum of its proper divisors (275560836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206222844 is a wasteful number, since it uses less digits than its factorization.

206222844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21329 (or 21327 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 206222844 is about 14360.4611346572. The cubic root of 206222844 is about 590.8069433359.

The spelling of 206222844 in words is "two hundred six million, two hundred twenty-two thousand, eight hundred forty-four".