1043220430 has 32 divisors (see below), whose sum is σ = 2239363584. Its totient is φ = 342123936.

The previous prime is 1043220397. The next prime is 1043220433. The reversal of 1043220430 is 340223401.

It is a junction number, because it is equal to n+sod(n) for n = 1043220398 and 1043220407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043220433) 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, 322372 + ... + 325591.

It is an arithmetic number, because the mean of its divisors is an integer number (69980112).

Almost surely, 2^1043220430 is an apocalyptic number.

1043220430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1043220430 is an abundant number, since it is smaller than the sum of its proper divisors (1196143154).

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

1043220430 is a wasteful number, since it uses less digits than its factorization.

1043220430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648000.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1043220430 is about 32298.9230470615. The cubic root of 1043220430 is about 1014.2040983345.

Adding to 1043220430 its reverse (340223401), we get a palindrome (1383443831).

The spelling of 1043220430 in words is "one billion, forty-three million, two hundred twenty thousand, four hundred thirty".