2322740 has 48 divisors (see below), whose sum is σ = 5709312. Its totient is φ = 777216.

The previous prime is 2322713. The next prime is 2322757. The reversal of 2322740 is 472232.

It is a happy number.

It is a super-2 number, since 2×2322740² = 10790242215200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6404 + ... + 6756.

It is an arithmetic number, because the mean of its divisors is an integer number (118944).

2^2322740 is an apocalyptic number.

2322740 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 2322740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2854656).

2322740 is an abundant number, since it is smaller than the sum of its proper divisors (3386572).

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

2322740 is a wasteful number, since it uses less digits than its factorization.

2322740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 2322740 is about 1524.0538048245. The cubic root of 2322740 is about 132.4342144062.

Adding to 2322740 its reverse (472232), we get a palindrome (2794972).

The spelling of 2322740 in words is "two million, three hundred twenty-two thousand, seven hundred forty".