51022206 has 12 divisors (see below), whose sum is σ = 110548152. Its totient is φ = 17007396.

The previous prime is 51022159. The next prime is 51022217. The reversal of 51022206 is 60222015.

51022206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2834567 = 51022206 / (5 + 1 + 0 + 2 + 2 + 2 + 0 + 6).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1417266 + ... + 1417301.

It is an arithmetic number, because the mean of its divisors is an integer number (9212346).

Almost surely, 2^51022206 is an apocalyptic number.

51022206 is an abundant number, since it is smaller than the sum of its proper divisors (59525946).

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

51022206 is a wasteful number, since it uses less digits than its factorization.

51022206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834575 (or 2834572 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 51022206 is about 7142.9829903199. The cubic root of 51022206 is about 370.8967922484.

The spelling of 51022206 in words is "fifty-one million, twenty-two thousand, two hundred six".