222310001232 has 240 divisors, whose sum is σ = 736175381760. Its totient is φ = 61857177600.

The previous prime is 222310001209. The next prime is 222310001237. The reversal of 222310001232 is 232100013222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222310001237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1003369 + ... + 1204727.

It is an arithmetic number, because the mean of its divisors is an integer number (3067397424).

Almost surely, 2^222310001232 is an apocalyptic number.

222310001232 is a gapful number since it is divisible by the number (22) 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 222310001232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368087690880).

222310001232 is an abundant number, since it is smaller than the sum of its proper divisors (513865380528).

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

222310001232 is a wasteful number, since it uses less digits than its factorization.

222310001232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201442 (or 201433 counting only the distinct ones).

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

Adding to 222310001232 its reverse (232100013222), we get a palindrome (454410014454).

The spelling of 222310001232 in words is "two hundred twenty-two billion, three hundred ten million, one thousand, two hundred thirty-two".