505222894 has 16 divisors (see below), whose sum is σ = 828610560. Its totient is φ = 229123960.

The previous prime is 505222889. The next prime is 505222919. The reversal of 505222894 is 498222505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16174 + ... + 35665.

It is an arithmetic number, because the mean of its divisors is an integer number (51788160).

Almost surely, 2^505222894 is an apocalyptic number.

505222894 is a deficient number, since it is larger than the sum of its proper divisors (323387666).

505222894 is a wasteful number, since it uses less digits than its factorization.

505222894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52295.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 505222894 is about 22477.1638335445. The cubic root of 505222894 is about 796.4545678923.

The spelling of 505222894 in words is "five hundred five million, two hundred twenty-two thousand, eight hundred ninety-four".