222296450642 has 54 divisors (see below), whose sum is σ = 392724501381. Its totient is φ = 94095711360.

The previous prime is 222296450581. The next prime is 222296450647. The reversal of 222296450642 is 246054692222.

It is a happy number.

222296450642 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 2 ways, for example, as 221717615161 + 578835481 = 470869^2 + 24059^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=333389.

It is a super-2 number, since 2×222296450642² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222296450593 and 222296450602.

It is not an unprimeable number, because it can be changed into a prime (222296450647) by changing a digit.

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, 452742017 + ... + 452742507.

Almost surely, 2^222296450642 is an apocalyptic number.

222296450642 is a deficient number, since it is larger than the sum of its proper divisors (170428050739).

222296450642 is an frugal number, since it uses more digits than its factorization.

222296450642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 222296450642 in words is "two hundred twenty-two billion, two hundred ninety-six million, four hundred fifty thousand, six hundred forty-two".