2213954 has 4 divisors (see below), whose sum is σ = 3320934. Its totient is φ = 1106976.

The previous prime is 2213933. The next prime is 2213963. The reversal of 2213954 is 4593122.

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

It can be written as a sum of positive squares in only one way, i.e., 1755625 + 458329 = 1325^2 + 677^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553487 + ... + 553490.

2^2213954 is an apocalyptic number.

2213954 is a deficient number, since it is larger than the sum of its proper divisors (1106980).

2213954 is a wasteful number, since it uses less digits than its factorization.

2213954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106979.

The product of its digits is 2160, while the sum is 26.

The square root of 2213954 is about 1487.9361545443. The cubic root of 2213954 is about 130.3335419193. Note that the first 3 decimals are identical.

The spelling of 2213954 in words is "two million, two hundred thirteen thousand, nine hundred fifty-four".