22451215242230 has 16 divisors (see below), whose sum is σ = 40413498840720. Its totient is φ = 8980194673632.

The previous prime is 22451215242221. The next prime is 22451215242233. The reversal of 22451215242230 is 3224251215422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22451215242233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36104204 + ... + 36720783.

It is an arithmetic number, because the mean of its divisors is an integer number (2525843677545).

Almost surely, 2^{22451215242230} is an apocalyptic number.

22451215242230 is a deficient number, since it is larger than the sum of its proper divisors (17962283598490).

22451215242230 is a wasteful number, since it uses less digits than its factorization.

22451215242230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72855823.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 22451215242230 its reverse (3224251215422), we get a palindrome (25675466457652).

The spelling of 22451215242230 in words is "twenty-two trillion, four hundred fifty-one billion, two hundred fifteen million, two hundred forty-two thousand, two hundred thirty".