2221079 has 16 divisors (see below), whose sum is σ = 2669568. Its totient is φ = 1808352.

The previous prime is 2221069. The next prime is 2221097. The reversal of 2221079 is 9701222.

It is not a de Polignac number, because 2221079 - 2²⁰ = 1172503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14069 + ... + 14225.

It is an arithmetic number, because the mean of its divisors is an integer number (166848).

2^2221079 is an apocalyptic number.

2221079 is a deficient number, since it is larger than the sum of its proper divisors (448489).

2221079 is a wasteful number, since it uses less digits than its factorization.

2221079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2221079 is about 1490.3284872806. The cubic root of 2221079 is about 130.4732063820.

The spelling of 2221079 in words is "two million, two hundred twenty-one thousand, seventy-nine".