1233220432 has 10 divisors (see below), whose sum is σ = 2389364618. Its totient is φ = 616610208.

The previous prime is 1233220423. The next prime is 1233220487. The reversal of 1233220432 is 2340223321.

It can be written as a sum of positive squares in only one way, i.e., 1083989776 + 149230656 = 32924^2 + 12216^2 .

It is a super-3 number, since 3×1233220432³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38538123 + ... + 38538154.

Almost surely, 2^1233220432 is an apocalyptic number.

It is an amenable number.

1233220432 is a deficient number, since it is larger than the sum of its proper divisors (1156144186).

1233220432 is an equidigital number, since it uses as much as digits as its factorization.

1233220432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77076285 (or 77076279 counting only the distinct ones).

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

The square root of 1233220432 is about 35117.2383880054. The cubic root of 1233220432 is about 1072.3755506423.

Adding to 1233220432 its reverse (2340223321), we get a palindrome (3573443753).

The spelling of 1233220432 in words is "one billion, two hundred thirty-three million, two hundred twenty thousand, four hundred thirty-two".