22321003140 has 96 divisors (see below), whose sum is σ = 70300581120. Its totient is φ = 5952255840.

The previous prime is 22321003139. The next prime is 22321003153. The reversal of 22321003140 is 4130012322.

It is a super-3 number, since 3×22321003140³ (a number of 32 digits) contains 333 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211416 + ... + 298895.

It is an arithmetic number, because the mean of its divisors is an integer number (732297720).

Almost surely, 2^22321003140 is an apocalyptic number.

22321003140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22321003140 is an abundant number, since it is smaller than the sum of its proper divisors (47979577980).

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

22321003140 is an equidigital number, since it uses as much as digits as its factorization.

22321003140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510341 (or 510321 counting only the distinct ones).

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

Adding to 22321003140 its reverse (4130012322), we get a palindrome (26451015462).

The spelling of 22321003140 in words is "twenty-two billion, three hundred twenty-one million, three thousand, one hundred forty".