2221862 has 4 divisors (see below), whose sum is σ = 3332796. Its totient is φ = 1110930.

The previous prime is 2221861. The next prime is 2221871. The reversal of 2221862 is 2681222.

2221862 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555464 + ... + 555467.

It is an arithmetic number, because the mean of its divisors is an integer number (833199).

2^2221862 is an apocalyptic number.

2221862 is a deficient number, since it is larger than the sum of its proper divisors (1110934).

2221862 is a wasteful number, since it uses less digits than its factorization.

2221862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110933.

The product of its digits is 768, while the sum is 23.

The square root of 2221862 is about 1490.5911578968. The cubic root of 2221862 is about 130.4885365463.

The spelling of 2221862 in words is "two million, two hundred twenty-one thousand, eight hundred sixty-two".