232420221429 has 16 divisors (see below), whose sum is σ = 341550995520. Its totient is φ = 139408565760.

The previous prime is 232420221413. The next prime is 232420221431. The reversal of 232420221429 is 924122024232.

It is not a de Polignac number, because 232420221429 - 2⁴ = 232420221413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 232420221429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232420221029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36301114 + ... + 36307515.

It is an arithmetic number, because the mean of its divisors is an integer number (21346937220).

Almost surely, 2^232420221429 is an apocalyptic number.

It is an amenable number.

232420221429 is a deficient number, since it is larger than the sum of its proper divisors (109130774091).

232420221429 is a wasteful number, since it uses less digits than its factorization.

232420221429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72608740.

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 232420221429 in words is "two hundred thirty-two billion, four hundred twenty million, two hundred twenty-one thousand, four hundred twenty-nine".