1043224221 has 16 divisors (see below), whose sum is σ = 1549618560. Its totient is φ = 619846080.

The previous prime is 1043224207. The next prime is 1043224283. The reversal of 1043224221 is 1224223401.

It is not a de Polignac number, because 1043224221 - 2⁶ = 1043224157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043224201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460065 + ... + 462326.

It is an arithmetic number, because the mean of its divisors is an integer number (96851160).

Almost surely, 2^1043224221 is an apocalyptic number.

It is an amenable number.

1043224221 is a deficient number, since it is larger than the sum of its proper divisors (506394339).

1043224221 is a wasteful number, since it uses less digits than its factorization.

1043224221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922436.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1043224221 is about 32298.9817331754. The cubic root of 1043224221 is about 1014.2053268519.

Adding to 1043224221 its reverse (1224223401), we get a palindrome (2267447622).

The spelling of 1043224221 in words is "one billion, forty-three million, two hundred twenty-four thousand, two hundred twenty-one".