2220147 has 6 divisors (see below), whose sum is σ = 3206892. Its totient is φ = 1480092.

The previous prime is 2220089. The next prime is 2220151. The reversal of 2220147 is 7410222.

It is not a de Polignac number, because 2220147 - 2⁶ = 2220083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2220157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123333 + ... + 123350.

It is an arithmetic number, because the mean of its divisors is an integer number (534482).

2^2220147 is an apocalyptic number.

2220147 is a deficient number, since it is larger than the sum of its proper divisors (986745).

2220147 is a wasteful number, since it uses less digits than its factorization.

2220147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246689 (or 246686 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 2220147 is about 1490.0157717286. The cubic root of 2220147 is about 130.4549542861.

Adding to 2220147 its reverse (7410222), we get a palindrome (9630369).

The spelling of 2220147 in words is "two million, two hundred twenty thousand, one hundred forty-seven".