221424325230404 has 24 divisors (see below), whose sum is σ = 390460454427456. Its totient is φ = 109865705580000.

The previous prime is 221424325230263. The next prime is 221424325230443. The reversal of 221424325230404 is 404032523424122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188186207 + ... + 189359174.

It is an arithmetic number, because the mean of its divisors is an integer number (16269185601144).

Almost surely, 2^{221424325230404} is an apocalyptic number.

It is an amenable number.

221424325230404 is a deficient number, since it is larger than the sum of its proper divisors (169036129197052).

221424325230404 is a wasteful number, since it uses less digits than its factorization.

221424325230404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377546507 (or 377546505 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 221424325230404 its reverse (404032523424122), we get a palindrome (625456848654526).

The spelling of 221424325230404 in words is "two hundred twenty-one trillion, four hundred twenty-four billion, three hundred twenty-five million, two hundred thirty thousand, four hundred four".