2422720 has 56 divisors (see below), whose sum is σ = 5907024. Its totient is φ = 946176.

The previous prime is 2422711. The next prime is 2422727. The reversal of 2422720 is 272242.

2422720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2422727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21384 + ... + 21496.

2^2422720 is an apocalyptic number.

2422720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2422720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2953512).

2422720 is an abundant number, since it is smaller than the sum of its proper divisors (3484304).

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

2422720 is a wasteful number, since it uses less digits than its factorization.

2422720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 2422720 is about 1556.5089142051. The cubic root of 2422720 is about 134.3077503771.

Adding to 2422720 its reverse (272242), we get a palindrome (2694962).

The spelling of 2422720 in words is "two million, four hundred twenty-two thousand, seven hundred twenty".