1222325612 has 24 divisors (see below), whose sum is σ = 2149109760. Its totient is φ = 608302800.

The previous prime is 1222325609. The next prime is 1222325641. The reversal of 1222325612 is 2165232221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1162487 + ... + 1163537.

It is an arithmetic number, because the mean of its divisors is an integer number (89546240).

Almost surely, 2^1222325612 is an apocalyptic number.

It is an amenable number.

1222325612 is a deficient number, since it is larger than the sum of its proper divisors (926784148).

1222325612 is a wasteful number, since it uses less digits than its factorization.

1222325612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141 (or 2139 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 1222325612 is about 34961.7735820138. The cubic root of 1222325612 is about 1069.2082569905.

Adding to 1222325612 its reverse (2165232221), we get a palindrome (3387557833).

The spelling of 1222325612 in words is "one billion, two hundred twenty-two million, three hundred twenty-five thousand, six hundred twelve".