505222215 has 16 divisors (see below), whose sum is σ = 808956288. Its totient is φ = 269251616.

The previous prime is 505222199. The next prime is 505222219. The reversal of 505222215 is 512222505.

It is a cyclic number.

It is not a de Polignac number, because 505222215 - 2⁴ = 505222199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505222219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9604 + ... + 33206.

It is an arithmetic number, because the mean of its divisors is an integer number (50559768).

Almost surely, 2^505222215 is an apocalyptic number.

505222215 is a deficient number, since it is larger than the sum of its proper divisors (303734073).

505222215 is a wasteful number, since it uses less digits than its factorization.

505222215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25038.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 505222215 is about 22477.1487293206. The cubic root of 505222215 is about 796.4542110908.

The spelling of 505222215 in words is "five hundred five million, two hundred twenty-two thousand, two hundred fifteen".