22121325252230 has 32 divisors (see below), whose sum is σ = 40158723587328. Its totient is φ = 8773123500000.

The previous prime is 22121325252223. The next prime is 22121325252289. The reversal of 22121325252230 is 3225252312122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13215896 + ... + 14795355.

It is an arithmetic number, because the mean of its divisors is an integer number (1254960112104).

Almost surely, 2^{22121325252230} is an apocalyptic number.

22121325252230 is a deficient number, since it is larger than the sum of its proper divisors (18037398335098).

22121325252230 is a wasteful number, since it uses less digits than its factorization.

22121325252230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28011932.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 22121325252230 its reverse (3225252312122), we get a palindrome (25346577564352).

The spelling of 22121325252230 in words is "twenty-two trillion, one hundred twenty-one billion, three hundred twenty-five million, two hundred fifty-two thousand, two hundred thirty".