23220430 has 16 divisors (see below), whose sum is σ = 42769584. Its totient is φ = 9072000.

The previous prime is 23220403. The next prime is 23220437. The reversal of 23220430 is 3402232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23220437) 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 7 ways as a sum of consecutive naturals, for example, 26571 + ... + 27430.

It is an arithmetic number, because the mean of its divisors is an integer number (2673099).

Almost surely, 2^23220430 is an apocalyptic number.

23220430 is a deficient number, since it is larger than the sum of its proper divisors (19549154).

23220430 is a wasteful number, since it uses less digits than its factorization.

23220430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54051.

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

The square root of 23220430 is about 4818.7581387739. The cubic root of 23220430 is about 285.2923234337.

Adding to 23220430 its reverse (3402232), we get a palindrome (26622662).

The spelling of 23220430 in words is "twenty-three million, two hundred twenty thousand, four hundred thirty".