2221098 has 32 divisors (see below), whose sum is σ = 4923072. Its totient is φ = 662400.

The previous prime is 2221097. The next prime is 2221111. The reversal of 2221098 is 8901222.

It is not an unprimeable number, because it can be changed into a prime (2221097) 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, 4588 + ... + 5048.

It is an arithmetic number, because the mean of its divisors is an integer number (153846).

2^2221098 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2461536).

2221098 is an abundant number, since it is smaller than the sum of its proper divisors (2701974).

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

2221098 is a wasteful number, since it uses less digits than its factorization.

2221098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2221098 is about 1490.3348617006. The cubic root of 2221098 is about 130.4735784210.

The spelling of 2221098 in words is "two million, two hundred twenty-one thousand, ninety-eight".