2220493 has 8 divisors (see below), whose sum is σ = 2433600. Its totient is φ = 2009280.

The previous prime is 2220479. The next prime is 2220497. The reversal of 2220493 is 3940222.

2220493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2220493 - 2²¹ = 123341 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 (2220497) 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 in 7 ways as a sum of consecutive naturals, for example, 3408 + ... + 4006.

It is an arithmetic number, because the mean of its divisors is an integer number (304200).

2^2220493 is an apocalyptic number.

It is an amenable number.

2220493 is a deficient number, since it is larger than the sum of its proper divisors (213107).

2220493 is a wasteful number, since it uses less digits than its factorization.

2220493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2220493 is about 1490.1318733589. The cubic root of 2220493 is about 130.4617308748.

It can be divided in two parts, 2220 and 493, that multiplied together give a triangular number (1094460 = T₁₄₇₉).

The spelling of 2220493 in words is "two million, two hundred twenty thousand, four hundred ninety-three".