22101232000 has 64 divisors (see below), whose sum is σ = 54949227840. Its totient is φ = 8840486400.

The previous prime is 22101231953. The next prime is 22101232001. The reversal of 22101232000 is 23210122.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101232001) 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, 674664 + ... + 706663.

It is an arithmetic number, because the mean of its divisors is an integer number (858581685).

Almost surely, 2^22101232000 is an apocalyptic number.

22101232000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101232000 is an abundant number, since it is smaller than the sum of its proper divisors (32847995840).

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

22101232000 is an equidigital number, since it uses as much as digits as its factorization.

22101232000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381356 (or 1381334 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22101232000 its reverse (23210122), we get a palindrome (22124442122).

The spelling of 22101232000 in words is "twenty-two billion, one hundred one million, two hundred thirty-two thousand".