505224406 has 4 divisors (see below), whose sum is σ = 757836612. Its totient is φ = 252612202.

The previous prime is 505224367. The next prime is 505224409. The reversal of 505224406 is 604422505.

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

It is a congruent 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 as a sum of consecutive naturals, namely, 126306100 + ... + 126306103.

It is an arithmetic number, because the mean of its divisors is an integer number (189459153).

Almost surely, 2^505224406 is an apocalyptic number.

505224406 is a deficient number, since it is larger than the sum of its proper divisors (252612206).

505224406 is a wasteful number, since it uses less digits than its factorization.

505224406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252612205.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 505224406 is about 22477.1974676560. The cubic root of 505224406 is about 796.4553624182.

The spelling of 505224406 in words is "five hundred five million, two hundred twenty-four thousand, four hundred six".