1222250530 has 96 divisors (see below), whose sum is σ = 2465334144. Its totient is φ = 434660352.

The previous prime is 1222250527. The next prime is 1222250531. The reversal of 1222250530 is 350522221.

It is not an unprimeable number, because it can be changed into a prime (1222250531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11866459 + ... + 11866561.

It is an arithmetic number, because the mean of its divisors is an integer number (25680564).

Almost surely, 2^1222250530 is an apocalyptic number.

1222250530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222250530 is an abundant number, since it is smaller than the sum of its proper divisors (1243083614).

1222250530 is a wasteful number, since it uses less digits than its factorization.

1222250530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1222250530 is about 34960.6997927673. The cubic root of 1222250530 is about 1069.1863643139.

Adding to 1222250530 its reverse (350522221), we get a palindrome (1572772751).

The spelling of 1222250530 in words is "one billion, two hundred twenty-two million, two hundred fifty thousand, five hundred thirty".