2221039 has 4 divisors (see below), whose sum is σ = 2232400. Its totient is φ = 2209680.

The previous prime is 2221031. The next prime is 2221061. The reversal of 2221039 is 9301222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2221039 - 2³ = 2221031 is a prime.

It is a Duffinian number.

2221039 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5382 + ... + 5779.

It is an arithmetic number, because the mean of its divisors is an integer number (558100).

2^2221039 is an apocalyptic number.

2221039 is a deficient number, since it is larger than the sum of its proper divisors (11361).

2221039 is a wasteful number, since it uses less digits than its factorization.

2221039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11360.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2221039 is about 1490.3150673599. The cubic root of 2221039 is about 130.4724231351.

The spelling of 2221039 in words is "two million, two hundred twenty-one thousand, thirty-nine".