2226398 has 4 divisors (see below), whose sum is σ = 3339600. Its totient is φ = 1113198.

The previous prime is 2226383. The next prime is 2226403. The reversal of 2226398 is 8936222.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 2 + 2¹³ + 2¹⁹ + 6⁵ + 3¹³ + 9⁵ + 8⁵ .

It is a Curzon number.

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 as a sum of consecutive naturals, namely, 556598 + ... + 556601.

It is an arithmetic number, because the mean of its divisors is an integer number (834900).

2^2226398 is an apocalyptic number.

2226398 is a deficient number, since it is larger than the sum of its proper divisors (1113202).

2226398 is a wasteful number, since it uses less digits than its factorization.

2226398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113201.

The product of its digits is 10368, while the sum is 32.

The square root of 2226398 is about 1492.1119260967. Note that the first 3 decimals coincide. The cubic root of 2226398 is about 130.5772749808.

The spelling of 2226398 in words is "two million, two hundred twenty-six thousand, three hundred ninety-eight".