891060222 has 16 divisors (see below), whose sum is σ = 1919206800. Its totient is φ = 274172352.

The previous prime is 891060217. The next prime is 891060223. The reversal of 891060222 is 222060198.

It is a self number, because there is not a number n which added to its sum of digits gives 891060222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (891060223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5711847 + ... + 5712002.

It is an arithmetic number, because the mean of its divisors is an integer number (119950425).

Almost surely, 2^891060222 is an apocalyptic number.

891060222 is an abundant number, since it is smaller than the sum of its proper divisors (1028146578).

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

891060222 is a wasteful number, since it uses less digits than its factorization.

891060222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11423867.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 891060222 is about 29850.6318526091. The cubic root of 891060222 is about 962.2819779865.

The spelling of 891060222 in words is "eight hundred ninety-one million, sixty thousand, two hundred twenty-two".