2242538420 has 18 divisors (see below), whose sum is σ = 4709775462. Its totient is φ = 896930656.

The previous prime is 2242538413. The next prime is 2242538443. The reversal of 2242538420 is 248352422.

2242538420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 18284176 + 2224254244 = 4276^2 + 47162^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 206486 + ... + 217074.

Almost surely, 2^2242538420 is an apocalyptic number.

2242538420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2242538420 is an abundant number, since it is smaller than the sum of its proper divisors (2467237042).

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

2242538420 is an frugal number, since it uses more digits than its factorization.

2242538420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21187 (or 10596 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 2242538420 is about 47355.4476274905. The cubic root of 2242538420 is about 1308.9205839328.

The spelling of 2242538420 in words is "two billion, two hundred forty-two million, five hundred thirty-eight thousand, four hundred twenty".