2320722 has 24 divisors (see below), whose sum is σ = 5191680. Its totient is φ = 748440.

The previous prime is 2320709. The next prime is 2320729. The reversal of 2320722 is 2270232.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2320695 and 2320704.

It is not an unprimeable number, because it can be changed into a prime (2320729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1522 + ... + 2637.

It is an arithmetic number, because the mean of its divisors is an integer number (216320).

2^2320722 is an apocalyptic number.

2320722 is an abundant number, since it is smaller than the sum of its proper divisors (2870958).

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

2320722 is a wasteful number, since it uses less digits than its factorization.

2320722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4198 (or 4195 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 2320722 is about 1523.3916108473. The cubic root of 2320722 is about 132.3958502790.

Adding to 2320722 its reverse (2270232), we get a palindrome (4590954).

The spelling of 2320722 in words is "two million, three hundred twenty thousand, seven hundred twenty-two".