51462222 has 32 divisors (see below), whose sum is σ = 123820800. Its totient is φ = 13929408.

The previous prime is 51462209. The next prime is 51462239. The reversal of 51462222 is 22226415.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 51462192 and 51462201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31447 + ... + 33042.

It is an arithmetic number, because the mean of its divisors is an integer number (3869400).

Almost surely, 2^51462222 is an apocalyptic number.

51462222 is an abundant number, since it is smaller than the sum of its proper divisors (72358578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51462222 is a wasteful number, since it uses less digits than its factorization.

51462222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64520.

The product of its digits is 1920, while the sum is 24.

The square root of 51462222 is about 7173.7174463454. The cubic root of 51462222 is about 371.9599477054.

Adding to 51462222 its reverse (22226415), we get a palindrome (73688637).

The spelling of 51462222 in words is "fifty-one million, four hundred sixty-two thousand, two hundred twenty-two".