1223571441 has 8 divisors (see below), whose sum is σ = 1659080160. Its totient is φ = 801888512.

The previous prime is 1223571431. The next prime is 1223571497. The reversal of 1223571441 is 1441753221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1223571441 - 2⁷ = 1223571313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1223571399 and 1223571408.

It is not an unprimeable number, because it can be changed into a prime (1223571421) 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, 3456240 + ... + 3456593.

It is an arithmetic number, because the mean of its divisors is an integer number (207385020).

Almost surely, 2^1223571441 is an apocalyptic number.

It is an amenable number.

1223571441 is a deficient number, since it is larger than the sum of its proper divisors (435508719).

1223571441 is an equidigital number, since it uses as much as digits as its factorization.

1223571441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6912895.

The product of its digits is 6720, while the sum is 30.

The square root of 1223571441 is about 34979.5860610156. The cubic root of 1223571441 is about 1069.5713894603.

The spelling of 1223571441 in words is "one billion, two hundred twenty-three million, five hundred seventy-one thousand, four hundred forty-one".