222542331000 has 256 divisors, whose sum is σ = 759738769920. Its totient is φ = 53786880000.

The previous prime is 222542330987. The next prime is 222542331023. The reversal of 222542331000 is 133245222.

It is a super-2 number, since 2×222542331000² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11110995 + ... + 11131005.

It is an arithmetic number, because the mean of its divisors is an integer number (2967729570).

Almost surely, 2^222542331000 is an apocalyptic number.

222542331000 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 222542331000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379869384960).

222542331000 is an abundant number, since it is smaller than the sum of its proper divisors (537196438920).

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

222542331000 is a wasteful number, since it uses less digits than its factorization.

222542331000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20383 (or 20369 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 222542331000 its reverse (133245222), we get a palindrome (222675576222).

The spelling of 222542331000 in words is "two hundred twenty-two billion, five hundred forty-two million, three hundred thirty-one thousand".