505224402 has 16 divisors (see below), whose sum is σ = 1063630560. Its totient is φ = 159544512.

The previous prime is 505224367. The next prime is 505224409. The reversal of 505224402 is 204422505.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (505224409) 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, 2215783 + ... + 2216010.

It is an arithmetic number, because the mean of its divisors is an integer number (66476910).

Almost surely, 2^505224402 is an apocalyptic number.

505224402 is an abundant number, since it is smaller than the sum of its proper divisors (558406158).

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

505224402 is a wasteful number, since it uses less digits than its factorization.

505224402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4431817.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 505224402 is about 22477.1973786769. The cubic root of 505224402 is about 796.4553603163.

Adding to 505224402 its reverse (204422505), we get a palindrome (709646907).

The spelling of 505224402 in words is "five hundred five million, two hundred twenty-four thousand, four hundred two".