22132321002 has 24 divisors (see below), whose sum is σ = 52312759200. Its totient is φ = 6706763880.

The previous prime is 22132320937. The next prime is 22132321031. The reversal of 22132321002 is 20012323122.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 55889502 + ... + 55889897.

It is an arithmetic number, because the mean of its divisors is an integer number (2179698300).

Almost surely, 2^22132321002 is an apocalyptic number.

22132321002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22132321002 is an abundant number, since it is smaller than the sum of its proper divisors (30180438198).

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

22132321002 is a wasteful number, since it uses less digits than its factorization.

22132321002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111779418 (or 111779415 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22132321002 its reverse (20012323122), we get a palindrome (42144644124).

The spelling of 22132321002 in words is "twenty-two billion, one hundred thirty-two million, three hundred twenty-one thousand, two".