222224244442 has 12 divisors (see below), whose sum is σ = 336312389790. Its totient is φ = 110128816448.

The previous prime is 222224244439. The next prime is 222224244491. The reversal of 222224244442 is 244442422222.

It can be written as a sum of positive squares in 3 ways, for example, as 130797232281 + 91427012161 = 361659^2 + 302369^2 .

It is a super-2 number, since 2×222224244442² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222224244398 and 222224244407.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4325317 + ... + 4376392.

Almost surely, 2^222224244442 is an apocalyptic number.

222224244442 is a deficient number, since it is larger than the sum of its proper divisors (114088145348).

222224244442 is an equidigital number, since it uses as much as digits as its factorization.

222224244442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8701937 (or 8701824 counting only the distinct ones).

The product of its digits is 131072, while the sum is 34.

Adding to 222224244442 its reverse (244442422222), we get a palindrome (466666666664).

The spelling of 222224244442 in words is "two hundred twenty-two billion, two hundred twenty-four million, two hundred forty-four thousand, four hundred forty-two".