222444513332 has 12 divisors (see below), whose sum is σ = 389303559876. Its totient is φ = 111214924800.

The previous prime is 222444513329. The next prime is 222444513337. The reversal of 222444513332 is 233315444222.

It can be written as a sum of positive squares in 2 ways, for example, as 149400802576 + 73043710756 = 386524^2 + 270266^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222444513292 and 222444513301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222444513337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1764419 + ... + 1886282.

It is an arithmetic number, because the mean of its divisors is an integer number (32441963323).

Almost surely, 2^222444513332 is an apocalyptic number.

It is an amenable number.

222444513332 is a deficient number, since it is larger than the sum of its proper divisors (166859046544).

222444513332 is a wasteful number, since it uses less digits than its factorization.

222444513332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3665938 (or 3665936 counting only the distinct ones).

The product of its digits is 138240, while the sum is 35.

Adding to 222444513332 its reverse (233315444222), we get a palindrome (455759957554).

The spelling of 222444513332 in words is "two hundred twenty-two billion, four hundred forty-four million, five hundred thirteen thousand, three hundred thirty-two".