22333423231000 has 128 divisors (see below), whose sum is σ = 59731753536000. Its totient is φ = 7656430243200.

The previous prime is 22333423230997. The next prime is 22333423231013. The reversal of 22333423231000 is 13232433322.

It is a super-2 number, since 2×22333423231000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 22333423231000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74519451 + ... + 74818549.

It is an arithmetic number, because the mean of its divisors is an integer number (466654324500).

Almost surely, 2^{22333423231000} is an apocalyptic number.

22333423231000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22333423231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29865876768000).

22333423231000 is an abundant number, since it is smaller than the sum of its proper divisors (37398330305000).

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

22333423231000 is a wasteful number, since it uses less digits than its factorization.

22333423231000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309794 (or 309780 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 22333423231000 its reverse (13232433322), we get a palindrome (22346655664322).

The spelling of 22333423231000 in words is "twenty-two trillion, three hundred thirty-three billion, four hundred twenty-three million, two hundred thirty-one thousand".