232201557 has 12 divisors (see below), whose sum is σ = 383316960. Its totient is φ = 132686568.

The previous prime is 232201531. The next prime is 232201577. The reversal of 232201557 is 755102232.

It is not a de Polignac number, because 232201557 - 2⁶ = 232201493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 232201557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232201507) 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 11 ways as a sum of consecutive naturals, for example, 1842807 + ... + 1842932.

It is an arithmetic number, because the mean of its divisors is an integer number (31943080).

Almost surely, 2^232201557 is an apocalyptic number.

It is an amenable number.

232201557 is a deficient number, since it is larger than the sum of its proper divisors (151115403).

232201557 is a wasteful number, since it uses less digits than its factorization.

232201557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685752 (or 3685749 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 232201557 is about 15238.1612079673. The cubic root of 232201557 is about 614.6412581599.

Adding to 232201557 its reverse (755102232), we get a palindrome (987303789).

The spelling of 232201557 in words is "two hundred thirty-two million, two hundred one thousand, five hundred fifty-seven".