2243443154 has 16 divisors (see below), whose sum is σ = 3521310720. Its totient is φ = 1070664480.

The previous prime is 2243443141. The next prime is 2243443159. The reversal of 2243443154 is 4513443422.

It is a self number, because there is not a number n which added to its sum of digits gives 2243443154.

It is not an unprimeable number, because it can be changed into a prime (2243443159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243314 + ... + 252365.

It is an arithmetic number, because the mean of its divisors is an integer number (220081920).

Almost surely, 2^2243443154 is an apocalyptic number.

2243443154 is a deficient number, since it is larger than the sum of its proper divisors (1277867566).

2243443154 is a wasteful number, since it uses less digits than its factorization.

2243443154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495785.

The product of its digits is 46080, while the sum is 32.

The square root of 2243443154 is about 47364.9992505014. Note that the first 3 decimals coincide. The cubic root of 2243443154 is about 1309.0965847429.

Adding to 2243443154 its reverse (4513443422), we get a palindrome (6756886576).

The spelling of 2243443154 in words is "two billion, two hundred forty-three million, four hundred forty-three thousand, one hundred fifty-four".