901222110 has 96 divisors (see below), whose sum is σ = 2460976128. Its totient is φ = 228381120.

The previous prime is 901222073. The next prime is 901222169. The reversal of 901222110 is 11222109.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 336075 + ... + 338745.

It is an arithmetic number, because the mean of its divisors is an integer number (25635168).

Almost surely, 2^901222110 is an apocalyptic number.

901222110 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 901222110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1230488064).

901222110 is an abundant number, since it is smaller than the sum of its proper divisors (1559754018).

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

901222110 is a wasteful number, since it uses less digits than its factorization.

901222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870 (or 2867 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 901222110 is about 30020.3615900941. The cubic root of 901222110 is about 965.9261996267.

Adding to 901222110 its reverse (11222109), we get a palindrome (912444219).

The spelling of 901222110 in words is "nine hundred one million, two hundred twenty-two thousand, one hundred ten".