222140647072 has 48 divisors (see below), whose sum is σ = 445653117000. Its totient is φ = 108968279040.

The previous prime is 222140647061. The next prime is 222140647081. The reversal of 222140647072 is 270746041222.

It can be written as a sum of positive squares in 4 ways, for example, as 95458753296 + 126681893776 = 308964^2 + 355924^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613054 + ... + 905602.

Almost surely, 2^222140647072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222140647072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222826558500).

222140647072 is an abundant number, since it is smaller than the sum of its proper divisors (223512469928).

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

222140647072 is a wasteful number, since it uses less digits than its factorization.

222140647072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293009 (or 293001 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 37.

Adding to 222140647072 its reverse (270746041222), we get a palindrome (492886688294).

The spelling of 222140647072 in words is "two hundred twenty-two billion, one hundred forty million, six hundred forty-seven thousand, seventy-two".