22660330 has 32 divisors (see below), whose sum is σ = 50855040. Its totient is φ = 7062720.

The previous prime is 22660301. The next prime is 22660333. The reversal of 22660330 is 3306622.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (22660333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13945 + ... + 15484.

It is an arithmetic number, because the mean of its divisors is an integer number (1589220).

Almost surely, 2^22660330 is an apocalyptic number.

22660330 is an abundant number, since it is smaller than the sum of its proper divisors (28194710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22660330 is a wasteful number, since it uses less digits than its factorization.

22660330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29454.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 22660330 is about 4760.2867560684. The cubic root of 22660330 is about 282.9797835450.

Adding to 22660330 its reverse (3306622), we get a palindrome (25966952).

The spelling of 22660330 in words is "twenty-two million, six hundred sixty thousand, three hundred thirty".