2220258 has 16 divisors (see below), whose sum is σ = 4455360. Its totient is φ = 737616.

The previous prime is 2220209. The next prime is 2220263. The reversal of 2220258 is 8520222.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2691 + ... + 3417.

It is an arithmetic number, because the mean of its divisors is an integer number (278460).

2^2220258 is an apocalyptic number.

2220258 is an abundant number, since it is smaller than the sum of its proper divisors (2235102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2220258 is a wasteful number, since it uses less digits than its factorization.

2220258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2220258 is about 1490.0530191909. The cubic root of 2220258 is about 130.4571283551.

The spelling of 2220258 in words is "two million, two hundred twenty thousand, two hundred fifty-eight".