305222150 has 24 divisors (see below), whose sum is σ = 568289520. Its totient is φ = 121964960.

The previous prime is 305222149. The next prime is 305222191. The reversal of 305222150 is 51222503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58967 + ... + 63933.

It is an arithmetic number, because the mean of its divisors is an integer number (23678730).

Almost surely, 2^305222150 is an apocalyptic number.

305222150 is a deficient number, since it is larger than the sum of its proper divisors (263067370).

305222150 is a wasteful number, since it uses less digits than its factorization.

305222150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6208 (or 6203 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 305222150 is about 17470.6081748747. The cubic root of 305222150 is about 673.2949375768.

Adding to 305222150 its reverse (51222503), we get a palindrome (356444653).

The spelling of 305222150 in words is "three hundred five million, two hundred twenty-two thousand, one hundred fifty".