51174422 has 16 divisors (see below), whose sum is σ = 83019552. Its totient is φ = 23518080.

The previous prime is 51174421. The next prime is 51174427. The reversal of 51174422 is 22447115.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 51174391 and 51174400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51174421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2183 + ... + 10349.

It is an arithmetic number, because the mean of its divisors is an integer number (5188722).

Almost surely, 2^51174422 is an apocalyptic number.

51174422 is a deficient number, since it is larger than the sum of its proper divisors (31845130).

51174422 is a wasteful number, since it uses less digits than its factorization.

51174422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8423.

The product of its digits is 2240, while the sum is 26.

The square root of 51174422 is about 7153.6299876356. The cubic root of 51174422 is about 371.2652617230.

The spelling of 51174422 in words is "fifty-one million, one hundred seventy-four thousand, four hundred twenty-two".