222221030 has 16 divisors (see below), whose sum is σ = 400352544. Its totient is φ = 88809600.

The previous prime is 222220993. The next prime is 222221047. The reversal of 222221030 is 30122222.

It is a junction number, because it is equal to n+sod(n) for n = 222220996 and 222221014.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2759 + ... + 21261.

It is an arithmetic number, because the mean of its divisors is an integer number (25022034).

Almost surely, 2^222221030 is an apocalyptic number.

222221030 is a deficient number, since it is larger than the sum of its proper divisors (178131514).

222221030 is a wasteful number, since it uses less digits than its factorization.

222221030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19711.

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

The square root of 222221030 is about 14907.0798615960. The cubic root of 222221030 is about 605.7057810697.

Adding to 222221030 its reverse (30122222), we get a palindrome (252343252).

The spelling of 222221030 in words is "two hundred twenty-two million, two hundred twenty-one thousand, thirty".