51022233 has 12 divisors (see below), whose sum is σ = 74737728. Its totient is φ = 33535320.

The previous prime is 51022217. The next prime is 51022241. The reversal of 51022233 is 33222015.

It is not a de Polignac number, because 51022233 - 2⁴ = 51022217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51022243) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 39285 + ... + 40562.

It is an arithmetic number, because the mean of its divisors is an integer number (6228144).

Almost surely, 2^51022233 is an apocalyptic number.

It is an amenable number.

51022233 is a deficient number, since it is larger than the sum of its proper divisors (23715495).

51022233 is a wasteful number, since it uses less digits than its factorization.

51022233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79924 (or 79921 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 51022233 is about 7142.9848802864. The cubic root of 51022233 is about 370.8968576723.

Adding to 51022233 its reverse (33222015), we get a palindrome (84244248).

The spelling of 51022233 in words is "fifty-one million, twenty-two thousand, two hundred thirty-three".