22222330 has 32 divisors (see below), whose sum is σ = 43344000. Its totient is φ = 8154432.

The previous prime is 22222327. The next prime is 22222331. The reversal of 22222330 is 3322222.

It is not an unprimeable number, because it can be changed into a prime (22222331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25441 + ... + 26299.

It is an arithmetic number, because the mean of its divisors is an integer number (1354500).

Almost surely, 2^22222330 is an apocalyptic number.

22222330 is a deficient number, since it is larger than the sum of its proper divisors (21121670).

22222330 is a wasteful number, since it uses less digits than its factorization.

22222330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 22222330 is about 4714.0566394561. The cubic root of 22222330 is about 281.1446762830.

Adding to 22222330 its reverse (3322222), we get a palindrome (25544552).

The spelling of 22222330 in words is "twenty-two million, two hundred twenty-two thousand, three hundred thirty".