51105022 has 8 divisors (see below), whose sum is σ = 80692200. Its totient is φ = 24207624.

The previous prime is 51105017. The next prime is 51105023. The reversal of 51105022 is 22050115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51105022² = 5223446547240968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51104987 and 51105005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51105023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672397 + ... + 672472.

It is an arithmetic number, because the mean of its divisors is an integer number (10086525).

Almost surely, 2^51105022 is an apocalyptic number.

51105022 is a deficient number, since it is larger than the sum of its proper divisors (29587178).

51105022 is a wasteful number, since it uses less digits than its factorization.

51105022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344890.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 51105022 is about 7148.7776577538. Note that the first 3 decimals coincide. The cubic root of 51105022 is about 371.0973558022.

Adding to 51105022 its reverse (22050115), we get a palindrome (73155137).

The spelling of 51105022 in words is "fifty-one million, one hundred five thousand, twenty-two".