221223230302 has 8 divisors (see below), whose sum is σ = 332092285200. Its totient is φ = 110525801904.

The previous prime is 221223230299. The next prime is 221223230311. The reversal of 221223230302 is 203032322122.

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

It is a super-2 number, since 2×221223230302² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 42903402 + ... + 42908557.

It is an arithmetic number, because the mean of its divisors is an integer number (41511535650).

Almost surely, 2^221223230302 is an apocalyptic number.

221223230302 is a deficient number, since it is larger than the sum of its proper divisors (110869054898).

221223230302 is a wasteful number, since it uses less digits than its factorization.

221223230302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85813250.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 221223230302 its reverse (203032322122), we get a palindrome (424255552424).

The spelling of 221223230302 in words is "two hundred twenty-one billion, two hundred twenty-three million, two hundred thirty thousand, three hundred two".