2214398 has 4 divisors (see below), whose sum is σ = 3321600. Its totient is φ = 1107198.

The previous prime is 2214383. The next prime is 2214473. The reversal of 2214398 is 8934122.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2214398.

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, 553598 + ... + 553601.

It is an arithmetic number, because the mean of its divisors is an integer number (830400).

2^2214398 is an apocalyptic number.

2214398 is a deficient number, since it is larger than the sum of its proper divisors (1107202).

2214398 is a wasteful number, since it uses less digits than its factorization.

2214398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107201.

The product of its digits is 3456, while the sum is 29.

The square root of 2214398 is about 1488.0853470147. The cubic root of 2214398 is about 130.3422539680.

The spelling of 2214398 in words is "two million, two hundred fourteen thousand, three hundred ninety-eight".