222205722 has 32 divisors (see below), whose sum is σ = 474227520. Its totient is φ = 69206400.

The previous prime is 222205721. The next prime is 222205727. The reversal of 222205722 is 227502222.

It is a junction number, because it is equal to n+sod(n) for n = 222205692 and 222205701.

It is not an unprimeable number, because it can be changed into a prime (222205721) 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, 5029 + ... + 21672.

It is an arithmetic number, because the mean of its divisors is an integer number (14819610).

Almost surely, 2^222205722 is an apocalyptic number.

222205722 is an abundant number, since it is smaller than the sum of its proper divisors (252021798).

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

222205722 is a wasteful number, since it uses less digits than its factorization.

222205722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26798.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 222205722 is about 14906.5664054470. The cubic root of 222205722 is about 605.6918724595.

Adding to 222205722 its reverse (227502222), we get a palindrome (449707944).

It can be divided in two parts, 2 and 22205722, that multiplied together give a palindrome (44411444).

The spelling of 222205722 in words is "two hundred twenty-two million, two hundred five thousand, seven hundred twenty-two".