2242403240 has 128 divisors (see below), whose sum is σ = 6307891200. Its totient is φ = 696986880.

The previous prime is 2242403227. The next prime is 2242403299. The reversal of 2242403240 is 423042422.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1437581 + ... + 1439139.

It is an arithmetic number, because the mean of its divisors is an integer number (49280400).

Almost surely, 2^2242403240 is an apocalyptic number.

2242403240 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 2242403240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3153945600).

2242403240 is an abundant number, since it is smaller than the sum of its proper divisors (4065487960).

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

2242403240 is a wasteful number, since it uses less digits than its factorization.

2242403240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055 (or 2051 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 2242403240 is about 47354.0203150693. The cubic root of 2242403240 is about 1308.8942828687.

Adding to 2242403240 its reverse (423042422), we get a palindrome (2665445662).

The spelling of 2242403240 in words is "two billion, two hundred forty-two million, four hundred three thousand, two hundred forty".