1068687222 has 32 divisors (see below), whose sum is σ = 2236114944. Its totient is φ = 340142400.

The previous prime is 1068687199. The next prime is 1068687229. The reversal of 1068687222 is 2227868601.

It is a happy number.

It is a super-2 number, since 2×1068687222² = 2284184756932154568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068687229) 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, 34654 + ... + 57777.

It is an arithmetic number, because the mean of its divisors is an integer number (69878592).

Almost surely, 2^1068687222 is an apocalyptic number.

1068687222 is an abundant number, since it is smaller than the sum of its proper divisors (1167427722).

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

1068687222 is a wasteful number, since it uses less digits than its factorization.

1068687222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92524.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 1068687222 is about 32690.7819117255. The cubic root of 1068687222 is about 1022.3906573416.

The spelling of 1068687222 in words is "one billion, sixty-eight million, six hundred eighty-seven thousand, two hundred twenty-two".