2242546420 has 12 divisors (see below), whose sum is σ = 4709347524. Its totient is φ = 897018560.

The previous prime is 2242546387. The next prime is 2242546429. The reversal of 2242546420 is 246452422.

It can be written as a sum of positive squares in 2 ways, for example, as 1790643856 + 451902564 = 42316^2 + 21258^2 .

It is a super-3 number, since 3×2242546420³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242546429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56063641 + ... + 56063680.

It is an arithmetic number, because the mean of its divisors is an integer number (392445627).

Almost surely, 2^2242546420 is an apocalyptic number.

2242546420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2242546420 is an abundant number, since it is smaller than the sum of its proper divisors (2466801104).

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

2242546420 is a wasteful number, since it uses less digits than its factorization.

2242546420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112127330 (or 112127328 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

The square root of 2242546420 is about 47355.5320949939. The cubic root of 2242546420 is about 1308.9221404059.

Adding to 2242546420 its reverse (246452422), we get a palindrome (2488998842).

The spelling of 2242546420 in words is "two billion, two hundred forty-two million, five hundred forty-six thousand, four hundred twenty".