2220460 has 24 divisors (see below), whose sum is σ = 5087376. Its totient is φ = 807360.

The previous prime is 2220457. The next prime is 2220467. The reversal of 2220460 is 640222.

It is a super-2 number, since 2×2220460² = 9860885223200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2220467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4827 + ... + 5266.

It is an arithmetic number, because the mean of its divisors is an integer number (211974).

2^2220460 is an apocalyptic number.

2220460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220460 is an abundant number, since it is smaller than the sum of its proper divisors (2866916).

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

2220460 is a wasteful number, since it uses less digits than its factorization.

2220460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10113 (or 10111 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2220460 is about 1490.1208004722. The cubic root of 2220460 is about 130.4610845832.

Adding to 2220460 its reverse (640222), we get a palindrome (2860682).

The spelling of 2220460 in words is "two million, two hundred twenty thousand, four hundred sixty".