1322938890 has 96 divisors (see below), whose sum is σ = 4233430656. Its totient is φ = 279123840.

The previous prime is 1322938867. The next prime is 1322938927. The reversal of 1322938890 is 988392231.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72576 + ... + 88955.

It is an arithmetic number, because the mean of its divisors is an integer number (44098236).

Almost surely, 2^1322938890 is an apocalyptic number.

1322938890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1322938890 is an abundant number, since it is smaller than the sum of its proper divisors (2910491766).

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

1322938890 is a wasteful number, since it uses less digits than its factorization.

1322938890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161564 (or 161561 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 1322938890 is about 36372.2269046040. The cubic root of 1322938890 is about 1097.7748102393.

The spelling of 1322938890 in words is "one billion, three hundred twenty-two million, nine hundred thirty-eight thousand, eight hundred ninety".