230221522 has 8 divisors (see below), whose sum is σ = 345799296. Its totient is φ = 114955092.

The previous prime is 230221507. The next prime is 230221577. The reversal of 230221522 is 225122032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 230221522.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75978 + ... + 78949.

It is an arithmetic number, because the mean of its divisors is an integer number (43224912).

Almost surely, 2^230221522 is an apocalyptic number.

230221522 is a deficient number, since it is larger than the sum of its proper divisors (115577774).

230221522 is a wasteful number, since it uses less digits than its factorization.

230221522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155672.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 230221522 is about 15173.0524944719. The cubic root of 230221522 is about 612.8892071348.

Adding to 230221522 its reverse (225122032), we get a palindrome (455343554).

The spelling of 230221522 in words is "two hundred thirty million, two hundred twenty-one thousand, five hundred twenty-two".