222033143440 has 40 divisors (see below), whose sum is σ = 517453329528. Its totient is φ = 88602286080.

The previous prime is 222033143419. The next prime is 222033143467. The reversal of 222033143440 is 44341330222.

It can be written as a sum of positive squares in 4 ways, for example, as 8041784976 + 213991358464 = 89676^2 + 462592^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 222033143399 and 222033143408.

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, 3262537 + ... + 3329896.

Almost surely, 2^222033143440 is an apocalyptic number.

222033143440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222033143440 is an abundant number, since it is smaller than the sum of its proper divisors (295420186088).

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

222033143440 is a wasteful number, since it uses less digits than its factorization.

222033143440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6592867 (or 6592861 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 222033143440 its reverse (44341330222), we get a palindrome (266374473662).

The spelling of 222033143440 in words is "two hundred twenty-two billion, thirty-three million, one hundred forty-three thousand, four hundred forty".