51949222 has 16 divisors (see below), whose sum is σ = 85503600. Its totient is φ = 23523552.

The previous prime is 51949213. The next prime is 51949243. The reversal of 51949222 is 22294915.

51949222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 17472 + ... + 20227.

It is an arithmetic number, because the mean of its divisors is an integer number (5343975).

Almost surely, 2^51949222 is an apocalyptic number.

51949222 is a deficient number, since it is larger than the sum of its proper divisors (33554378).

51949222 is a wasteful number, since it uses less digits than its factorization.

51949222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37767.

The product of its digits is 12960, while the sum is 34.

The square root of 51949222 is about 7207.5808701672. The cubic root of 51949222 is about 373.1295828761.

The spelling of 51949222 in words is "fifty-one million, nine hundred forty-nine thousand, two hundred twenty-two".