50400022 has 4 divisors (see below), whose sum is σ = 75600036. Its totient is φ = 25200010.

The previous prime is 50400001. The next prime is 50400037. The reversal of 50400022 is 22000405.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 50399975 and 50400011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12600004 + ... + 12600007.

It is an arithmetic number, because the mean of its divisors is an integer number (18900009).

Almost surely, 2^50400022 is an apocalyptic number.

50400022 is a deficient number, since it is larger than the sum of its proper divisors (25200014).

50400022 is a wasteful number, since it uses less digits than its factorization.

50400022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25200013.

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 50400022 is about 7099.2972891688. The cubic root of 50400022 is about 369.3830038358.

Adding to 50400022 its reverse (22000405), we get a palindrome (72400427).

The spelling of 50400022 in words is "fifty million, four hundred thousand, twenty-two".