51205022 has 24 divisors (see below), whose sum is σ = 84792288. Its totient is φ = 23173920.

The previous prime is 51205001. The next prime is 51205027. The reversal of 51205022 is 22050215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51205027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110363 + ... + 110825.

It is an arithmetic number, because the mean of its divisors is an integer number (3533012).

Almost surely, 2^51205022 is an apocalyptic number.

51205022 is a deficient number, since it is larger than the sum of its proper divisors (33587266).

51205022 is a wasteful number, since it uses less digits than its factorization.

51205022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944 (or 933 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 51205022 is about 7155.7684423128. The cubic root of 51205022 is about 371.3392469479.

Adding to 51205022 its reverse (22050215), we get a palindrome (73255237).

The spelling of 51205022 in words is "fifty-one million, two hundred five thousand, twenty-two".