222231143040 has 256 divisors, whose sum is σ = 716981207040. Its totient is φ = 58544640000.

The previous prime is 222231142981. The next prime is 222231143059. The reversal of 222231143040 is 40341132222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 222231143040.

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, 61202025 + ... + 61205655.

It is an arithmetic number, because the mean of its divisors is an integer number (2800707840).

Almost surely, 2^222231143040 is an apocalyptic number.

222231143040 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 222231143040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358490603520).

222231143040 is an abundant number, since it is smaller than the sum of its proper divisors (494750064000).

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

222231143040 is a wasteful number, since it uses less digits than its factorization.

222231143040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4031 (or 4019 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 222231143040 its reverse (40341132222), we get a palindrome (262572275262).

The spelling of 222231143040 in words is "two hundred twenty-two billion, two hundred thirty-one million, one hundred forty-three thousand, forty".