1322380888 has 64 divisors (see below), whose sum is σ = 2644945920. Its totient is φ = 618710400.

The previous prime is 1322380877. The next prime is 1322380933. The reversal of 1322380888 is 8880832231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1935795 + ... + 1936477.

It is an arithmetic number, because the mean of its divisors is an integer number (41327280).

Almost surely, 2^1322380888 is an apocalyptic number.

It is an amenable number.

1322380888 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1322380888 is a wasteful number, since it uses less digits than its factorization.

1322380888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968 (or 964 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 1322380888 is about 36364.5553802050. Note that the first 3 decimals coincide. The cubic root of 1322380888 is about 1097.6204451641.

The spelling of 1322380888 in words is "one billion, three hundred twenty-two million, three hundred eighty thousand, eight hundred eighty-eight".