232212021989 has 4 divisors (see below), whose sum is σ = 235482613920. Its totient is φ = 228941430060.

The previous prime is 232212021953. The next prime is 232212022061. The reversal of 232212021989 is 989120212232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 232212021989 - 2⁸ = 232212021733 is a prime.

It is a super-2 number, since 2×232212021989² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232212021889) 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 3 ways as a sum of consecutive naturals, for example, 1635295859 + ... + 1635296000.

It is an arithmetic number, because the mean of its divisors is an integer number (58870653480).

Almost surely, 2^232212021989 is an apocalyptic number.

It is an amenable number.

232212021989 is a deficient number, since it is larger than the sum of its proper divisors (3270591931).

232212021989 is an equidigital number, since it uses as much as digits as its factorization.

232212021989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3270591930.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 232212021989 in words is "two hundred thirty-two billion, two hundred twelve million, twenty-one thousand, nine hundred eighty-nine".