221430630202226 has 8 divisors (see below), whose sum is σ = 349627310845680. Its totient is φ = 104888193253668.

The previous prime is 221430630202193. The next prime is 221430630202267. The reversal of 221430630202226 is 622202036034122.

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

It is a super-2 number, since 2×221430630202226² (a number of 29 digits) contains 22 as substring.

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, 2913560923676 + ... + 2913560923751.

It is an arithmetic number, because the mean of its divisors is an integer number (43703413855710).

Almost surely, 2^{221430630202226} is an apocalyptic number.

221430630202226 is a deficient number, since it is larger than the sum of its proper divisors (128196680643454).

221430630202226 is a wasteful number, since it uses less digits than its factorization.

221430630202226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5827121847448.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 221430630202226 its reverse (622202036034122), we get a palindrome (843632666236348).

The spelling of 221430630202226 in words is "two hundred twenty-one trillion, four hundred thirty billion, six hundred thirty million, two hundred two thousand, two hundred twenty-six".