2243431554 has 128 divisors (see below), whose sum is σ = 5875752960. Its totient is φ = 554148864.

The previous prime is 2243431549. The next prime is 2243431627. The reversal of 2243431554 is 4551343422.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2440707 + ... + 2441625.

It is an arithmetic number, because the mean of its divisors is an integer number (45904320).

Almost surely, 2^2243431554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2243431554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2937876480).

2243431554 is an abundant number, since it is smaller than the sum of its proper divisors (3632321406).

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

2243431554 is a wasteful number, since it uses less digits than its factorization.

2243431554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224.

The product of its digits is 57600, while the sum is 33.

The square root of 2243431554 is about 47364.8767970529. The cubic root of 2243431554 is about 1309.0943284572.

Adding to 2243431554 its reverse (4551343422), we get a palindrome (6794774976).

The spelling of 2243431554 in words is "two billion, two hundred forty-three million, four hundred thirty-one thousand, five hundred fifty-four".