221230022 has 8 divisors (see below), whose sum is σ = 357371616. Its totient is φ = 102106152.

The previous prime is 221230021. The next prime is 221230057. The reversal of 221230022 is 220032122.

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

It is a junction number, because it is equal to n+sod(n) for n = 221229979 and 221230006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221230021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4254398 + ... + 4254449.

It is an arithmetic number, because the mean of its divisors is an integer number (44671452).

Almost surely, 2^221230022 is an apocalyptic number.

221230022 is a deficient number, since it is larger than the sum of its proper divisors (136141594).

221230022 is a wasteful number, since it uses less digits than its factorization.

221230022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8508862.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 221230022 is about 14873.8032123596. The cubic root of 221230022 is about 604.8040455478.

Adding to 221230022 its reverse (220032122), we get a palindrome (441262144).

The spelling of 221230022 in words is "two hundred twenty-one million, two hundred thirty thousand, twenty-two".