22220330 has 32 divisors (see below), whose sum is σ = 44202240. Its totient is φ = 7974720.

The previous prime is 22220321. The next prime is 22220339. The reversal of 22220330 is 3302222.

It is an interprime number because it is at equal distance from previous prime (22220321) and next prime (22220339).

It is not an unprimeable number, because it can be changed into a prime (22220339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7412 + ... + 9968.

It is an arithmetic number, because the mean of its divisors is an integer number (1381320).

Almost surely, 2^22220330 is an apocalyptic number.

22220330 is a deficient number, since it is larger than the sum of its proper divisors (21981910).

22220330 is a wasteful number, since it uses less digits than its factorization.

22220330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 22220330 is about 4713.8445031630. The cubic root of 22220330 is about 281.1362417306.

Adding to 22220330 its reverse (3302222), we get a palindrome (25522552).

The spelling of 22220330 in words is "twenty-two million, two hundred twenty thousand, three hundred thirty".