1243432322 has 8 divisors (see below), whose sum is σ = 2034707472. Its totient is φ = 565196500.

The previous prime is 1243432277. The next prime is 1243432327. The reversal of 1243432322 is 2232343421.

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

It is a super-2 number, since 2×1243432322² = 3092247878788623368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1243432291 and 1243432300.

It is not an unprimeable number, because it can be changed into a prime (1243432327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28259804 + ... + 28259847.

It is an arithmetic number, because the mean of its divisors is an integer number (254338434).

Almost surely, 2^1243432322 is an apocalyptic number.

1243432322 is a deficient number, since it is larger than the sum of its proper divisors (791275150).

1243432322 is a wasteful number, since it uses less digits than its factorization.

1243432322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56519664.

The product of its digits is 6912, while the sum is 26.

The square root of 1243432322 is about 35262.3357422619. The cubic root of 1243432322 is about 1075.3274133756.

Adding to 1243432322 its reverse (2232343421), we get a palindrome (3475775743).

The spelling of 1243432322 in words is "one billion, two hundred forty-three million, four hundred thirty-two thousand, three hundred twenty-two".