2277198 has 96 divisors (see below), whose sum is σ = 6469632. Its totient is φ = 561600.

The previous prime is 2277179. The next prime is 2277211. The reversal of 2277198 is 8917722.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42940 + ... + 42992.

It is an arithmetic number, because the mean of its divisors is an integer number (67392).

2^2277198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2277198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3234816).

2277198 is an abundant number, since it is smaller than the sum of its proper divisors (4192434).

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

2277198 is a wasteful number, since it uses less digits than its factorization.

2277198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 107 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 2277198 is about 1509.0387668977. The cubic root of 2277198 is about 131.5629484604.

The spelling of 2277198 in words is "two million, two hundred seventy-seven thousand, one hundred ninety-eight".