222012241440 has 96 divisors (see below), whose sum is σ = 762914811456. Its totient is φ = 53821148160.

The previous prime is 222012241411. The next prime is 222012241441. The reversal of 222012241440 is 44142210222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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 222012241440.

It is not an unprimeable number, because it can be changed into a prime (222012241441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21018607 + ... + 21029166.

It is an arithmetic number, because the mean of its divisors is an integer number (7947029286).

Almost surely, 2^222012241440 is an apocalyptic number.

222012241440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222012241440 is an abundant number, since it is smaller than the sum of its proper divisors (540902570016).

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

222012241440 is a wasteful number, since it uses less digits than its factorization.

222012241440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42047802 (or 42047794 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 222012241440 its reverse (44142210222), we get a palindrome (266154451662).

The spelling of 222012241440 in words is "two hundred twenty-two billion, twelve million, two hundred forty-one thousand, four hundred forty".