1322887888 has 40 divisors (see below), whose sum is σ = 2989044800. Its totient is φ = 566949600.

The previous prime is 1322887883. The next prime is 1322887889. The reversal of 1322887888 is 8887882231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322887883) 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, 115038 + ... + 126013.

It is an arithmetic number, because the mean of its divisors is an integer number (74726120).

Almost surely, 2^1322887888 is an apocalyptic number.

It is an amenable number.

1322887888 is an abundant number, since it is smaller than the sum of its proper divisors (1666156912).

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

1322887888 is an equidigital number, since it uses as much as digits as its factorization.

1322887888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241080 (or 241060 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 55.

The square root of 1322887888 is about 36371.5257859771. The cubic root of 1322887888 is about 1097.7607029033.

The spelling of 1322887888 in words is "one billion, three hundred twenty-two million, eight hundred eighty-seven thousand, eight hundred eighty-eight".