1222132245 has 8 divisors (see below), whose sum is σ = 1955411616. Its totient is φ = 651803856.

The previous prime is 1222132229. The next prime is 1222132253. The reversal of 1222132245 is 5422312221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1222132245 - 2⁴ = 1222132229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40737727 + ... + 40737756.

It is an arithmetic number, because the mean of its divisors is an integer number (244426452).

Almost surely, 2^1222132245 is an apocalyptic number.

1222132245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1222132245 is a deficient number, since it is larger than the sum of its proper divisors (733279371).

1222132245 is an equidigital number, since it uses as much as digits as its factorization.

1222132245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81475491.

The product of its digits is 1920, while the sum is 24.

The square root of 1222132245 is about 34959.0080665914. The cubic root of 1222132245 is about 1069.1518725339.

Adding to 1222132245 its reverse (5422312221), we get a palindrome (6644444466).

The spelling of 1222132245 in words is "one billion, two hundred twenty-two million, one hundred thirty-two thousand, two hundred forty-five".