890497101222 has 24 divisors (see below), whose sum is σ = 1929428237880. Its totient is φ = 296829620640.

The previous prime is 890497101161. The next prime is 890497101229. The reversal of 890497101222 is 222101794098.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890497101229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3007354 + ... + 3290162.

It is an arithmetic number, because the mean of its divisors is an integer number (80392843245).

Almost surely, 2^890497101222 is an apocalyptic number.

890497101222 is an abundant number, since it is smaller than the sum of its proper divisors (1038931136658).

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

890497101222 is a wasteful number, since it uses less digits than its factorization.

890497101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457748 (or 457745 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 890497101222 in words is "eight hundred ninety billion, four hundred ninety-seven million, one hundred one thousand, two hundred twenty-two".