222192445442 has 54 divisors (see below), whose sum is σ = 370610551899. Its totient is φ = 99833310720.

The previous prime is 222192445429. The next prime is 222192445481. The reversal of 222192445442 is 244544291222.

222192445442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 19574528281 + 202617917161 = 139909^2 + 450131^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=333311.

It is a super-2 number, since 2×222192445442² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222192445442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1151256098 + ... + 1151256290.

Almost surely, 2^222192445442 is an apocalyptic number.

222192445442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222192445442 is a deficient number, since it is larger than the sum of its proper divisors (148418106457).

222192445442 is an equidigital number, since it uses as much as digits as its factorization.

222192445442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 363 counting only the distinct ones).

The product of its digits is 368640, while the sum is 41.

The spelling of 222192445442 in words is "two hundred twenty-two billion, one hundred ninety-two million, four hundred forty-five thousand, four hundred forty-two".