2220648 has 32 divisors (see below), whose sum is σ = 5638560. Its totient is φ = 728640.

The previous prime is 2220643. The next prime is 2220653. The reversal of 2220648 is 8460222.

It is an interprime number because it is at equal distance from previous prime (2220643) and next prime (2220653).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2220643) 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, 918 + ... + 2298.

It is an arithmetic number, because the mean of its divisors is an integer number (176205).

2^2220648 is an apocalyptic number.

It is an amenable number.

2220648 is an abundant number, since it is smaller than the sum of its proper divisors (3417912).

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

2220648 is a wasteful number, since it uses less digits than its factorization.

2220648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457 (or 1453 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 2220648 is about 1490.1838812710. The cubic root of 2220648 is about 130.4647664016.

The spelling of 2220648 in words is "two million, two hundred twenty thousand, six hundred forty-eight".