2221070 has 8 divisors (see below), whose sum is σ = 3997944. Its totient is φ = 888424.

The previous prime is 2221069. The next prime is 2221097. The reversal of 2221070 is 701222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111044 + ... + 111063.

It is an arithmetic number, because the mean of its divisors is an integer number (499743).

2^2221070 is an apocalyptic number.

2221070 is a deficient number, since it is larger than the sum of its proper divisors (1776874).

2221070 is a wasteful number, since it uses less digits than its factorization.

2221070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222114.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 2221070 is about 1490.3254678090. The cubic root of 2221070 is about 130.4730301523.

Adding to 2221070 its reverse (701222), we get a palindrome (2922292).

The spelling of 2221070 in words is "two million, two hundred twenty-one thousand, seventy".