232252521514221 has 64 divisors (see below), whose sum is σ = 338868685209600. Its totient is φ = 140641040897280.

The previous prime is 232252521514121. The next prime is 232252521514231. The reversal of 232252521514221 is 122415125252232.

It is not a de Polignac number, because 232252521514221 - 2¹⁷ = 232252521383149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 232252521514221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232252521514231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 503821566 + ... + 504282336.

It is an arithmetic number, because the mean of its divisors is an integer number (5294823206400).

Almost surely, 2^{232252521514221} is an apocalyptic number.

It is an amenable number.

232252521514221 is a deficient number, since it is larger than the sum of its proper divisors (106616163695379).

232252521514221 is a wasteful number, since it uses less digits than its factorization.

232252521514221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461746.

The product of its digits is 192000, while the sum is 39.

Adding to 232252521514221 its reverse (122415125252232), we get a palindrome (354667646766453).

The spelling of 232252521514221 in words is "two hundred thirty-two trillion, two hundred fifty-two billion, five hundred twenty-one million, five hundred fourteen thousand, two hundred twenty-one".