51222106 has 32 divisors (see below), whose sum is σ = 86381568. Its totient is φ = 22619520.

The previous prime is 51222047. The next prime is 51222107. The reversal of 51222106 is 60122215.

51222106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51222107) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 82710 + ... + 83326.

It is an arithmetic number, because the mean of its divisors is an integer number (2699424).

Almost surely, 2^51222106 is an apocalyptic number.

51222106 is a deficient number, since it is larger than the sum of its proper divisors (35159462).

51222106 is a wasteful number, since it uses less digits than its factorization.

51222106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 51222106 is about 7156.9620650105. The cubic root of 51222106 is about 371.3805401261.

The spelling of 51222106 in words is "fifty-one million, two hundred twenty-two thousand, one hundred six".