2220959 has 4 divisors (see below), whose sum is σ = 2391816. Its totient is φ = 2050104.

The previous prime is 2220941. The next prime is 2220961. The reversal of 2220959 is 9590222.

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 2220959 - 2¹⁶ = 2155423 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 (2220919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85409 + ... + 85434.

It is an arithmetic number, because the mean of its divisors is an integer number (597954).

2^2220959 is an apocalyptic number.

2220959 is a deficient number, since it is larger than the sum of its proper divisors (170857).

2220959 is a wasteful number, since it uses less digits than its factorization.

2220959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170856.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 2220959 is about 1490.2882271561. The cubic root of 2220959 is about 130.4708566132.

The spelling of 2220959 in words is "two million, two hundred twenty thousand, nine hundred fifty-nine".