2220072 has 16 divisors (see below), whose sum is σ = 5550240. Its totient is φ = 740016.

The previous prime is 2220059. The next prime is 2220073. The reversal of 2220072 is 2700222.

It is not an unprimeable number, because it can be changed into a prime (2220073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46228 + ... + 46275.

It is an arithmetic number, because the mean of its divisors is an integer number (346890).

2^2220072 is an apocalyptic number.

It is an amenable number.

2220072 is an abundant number, since it is smaller than the sum of its proper divisors (3330168).

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

2220072 is a wasteful number, since it uses less digits than its factorization.

2220072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92512 (or 92508 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 2220072 is about 1489.9906039972. The cubic root of 2220072 is about 130.4534852795.

Adding to 2220072 its reverse (2700222), we get a palindrome (4920294).

The spelling of 2220072 in words is "two million, two hundred twenty thousand, seventy-two".