206422044 has 24 divisors (see below), whose sum is σ = 493400208. Its totient is φ = 67128960.

The previous prime is 206422031. The next prime is 206422057. The reversal of 206422044 is 440224602.

It is an interprime number because it is at equal distance from previous prime (206422031) and next prime (206422057).

It is a super-2 number, since 2×206422044² = 85220120498275872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209287 + ... + 210270.

It is an arithmetic number, because the mean of its divisors is an integer number (20558342).

Almost surely, 2^206422044 is an apocalyptic number.

It is an amenable number.

206422044 is an abundant number, since it is smaller than the sum of its proper divisors (286978164).

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

206422044 is a wasteful number, since it uses less digits than its factorization.

206422044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419605 (or 419603 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 206422044 is about 14367.3951710113. The cubic root of 206422044 is about 590.9971111943.

Adding to 206422044 its reverse (440224602), we get a palindrome (646646646).

The spelling of 206422044 in words is "two hundred six million, four hundred twenty-two thousand, forty-four".