22652330 has 32 divisors (see below), whose sum is σ = 43436736. Its totient is φ = 8475904.

The previous prime is 22652323. The next prime is 22652339. The reversal of 22652330 is 3325622.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22652296 and 22652305.

It is not an unprimeable number, because it can be changed into a prime (22652339) 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, 38297 + ... + 38883.

It is an arithmetic number, because the mean of its divisors is an integer number (1357398).

Almost surely, 2^22652330 is an apocalyptic number.

22652330 is a deficient number, since it is larger than the sum of its proper divisors (20784406).

22652330 is a wasteful number, since it uses less digits than its factorization.

22652330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 22652330 is about 4759.4463963785. The cubic root of 22652330 is about 282.9464785766.

Adding to 22652330 its reverse (3325622), we get a palindrome (25977952).

The spelling of 22652330 in words is "twenty-two million, six hundred fifty-two thousand, three hundred thirty".