22203231000000 has 196 divisors, whose sum is σ = 73431630844344. Its totient is φ = 5920860800000.

The previous prime is 22203230999933. The next prime is 22203231000043. The reversal of 22203231000000 is 13230222.

It is a super-2 number, since 2×22203231000000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 700539 + ... + 6700538.

Almost surely, 2^{22203231000000} is an apocalyptic number.

22203231000000 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 22203231000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36715815422172).

22203231000000 is an abundant number, since it is smaller than the sum of its proper divisors (51228399844344).

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

22203231000000 is an frugal number, since it uses more digits than its factorization.

22203231000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7401122 (or 7401087 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 22203231000000 its reverse (13230222), we get a palindrome (22203244230222).

The spelling of 22203231000000 in words is "twenty-two trillion, two hundred three billion, two hundred thirty-one million", and thus it is an aban number.