5251366422 has 24 divisors (see below), whose sum is σ = 11381118840. Its totient is φ = 1749969600.

The previous prime is 5251366403. The next prime is 5251366457. The reversal of 5251366422 is 2246631525.

5251366422 is a `hidden beast` number, since 5 + 2 + 5 + 1 + 3 + 6 + 642 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29422 + ... + 106622.

It is an arithmetic number, because the mean of its divisors is an integer number (474213285).

Almost surely, 2^5251366422 is an apocalyptic number.

5251366422 is an abundant number, since it is smaller than the sum of its proper divisors (6129752418).

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

5251366422 is a wasteful number, since it uses less digits than its factorization.

5251366422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80988 (or 80985 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 5251366422 is about 72466.3123251073. The cubic root of 5251366422 is about 1738.1640941025.

Adding to 5251366422 its reverse (2246631525), we get a palindrome (7497997947).

The spelling of 5251366422 in words is "five billion, two hundred fifty-one million, three hundred sixty-six thousand, four hundred twenty-two".