1322454228 has 24 divisors (see below), whose sum is σ = 3151381632. Its totient is φ = 431438784.

The previous prime is 1322454187. The next prime is 1322454229. The reversal of 1322454228 is 8224542231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322454229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1171825 + ... + 1172952.

It is an arithmetic number, because the mean of its divisors is an integer number (131307568).

Almost surely, 2^1322454228 is an apocalyptic number.

It is an amenable number.

1322454228 is an abundant number, since it is smaller than the sum of its proper divisors (1828927404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1322454228 is a wasteful number, since it uses less digits than its factorization.

1322454228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344831 (or 2344829 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 1322454228 is about 36365.5637657386. The cubic root of 1322454228 is about 1097.6407363414.

Adding to 1322454228 its reverse (8224542231), we get a palindrome (9546996459).

The spelling of 1322454228 in words is "one billion, three hundred twenty-two million, four hundred fifty-four thousand, two hundred twenty-eight".