1043221413 has 16 divisors (see below), whose sum is σ = 1499198400. Its totient is φ = 641451264.

The previous prime is 1043221411. The next prime is 1043221469. The reversal of 1043221413 is 3141223401.

It is not a de Polignac number, because 1043221413 - 2¹ = 1043221411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1043221413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043221411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39613 + ... + 60461.

It is an arithmetic number, because the mean of its divisors is an integer number (93699900).

Almost surely, 2^1043221413 is an apocalyptic number.

1043221413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1043221413 is a deficient number, since it is larger than the sum of its proper divisors (455976987).

1043221413 is a wasteful number, since it uses less digits than its factorization.

1043221413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22148.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1043221413 is about 32298.9382642835. The cubic root of 1043221413 is about 1014.2044168873.

Adding to 1043221413 its reverse (3141223401), we get a palindrome (4184444814).

The spelling of 1043221413 in words is "one billion, forty-three million, two hundred twenty-one thousand, four hundred thirteen".