1223022433 has 8 divisors (see below), whose sum is σ = 1239555816. Its totient is φ = 1206576000.

The previous prime is 1223022431. The next prime is 1223022443. The reversal of 1223022433 is 3342203221.

It can be written as a sum of positive squares in 4 ways, for example, as 479478609 + 743543824 = 21897^2 + 27268^2 .

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 1223022433 - 2¹ = 1223022431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223022431) 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, 6835 + ... + 49927.

It is an arithmetic number, because the mean of its divisors is an integer number (154944477).

Almost surely, 2^1223022433 is an apocalyptic number.

It is an amenable number.

1223022433 is a deficient number, since it is larger than the sum of its proper divisors (16533383).

1223022433 is a wasteful number, since it uses less digits than its factorization.

1223022433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43475.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1223022433 is about 34971.7376319793. The cubic root of 1223022433 is about 1069.4113957794.

Adding to 1223022433 its reverse (3342203221), we get a palindrome (4565225654).

The spelling of 1223022433 in words is "one billion, two hundred twenty-three million, twenty-two thousand, four hundred thirty-three".