22155245223 has 32 divisors (see below), whose sum is σ = 32068472832. Its totient is φ = 13551283200.

The previous prime is 22155245219. The next prime is 22155245227. The reversal of 22155245223 is 32254255122.

It is an interprime number because it is at equal distance from previous prime (22155245219) and next prime (22155245227).

It is not a de Polignac number, because 22155245223 - 2² = 22155245219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22155245227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1132858 + ... + 1152248.

It is an arithmetic number, because the mean of its divisors is an integer number (1002139776).

Almost surely, 2^22155245223 is an apocalyptic number.

22155245223 is a deficient number, since it is larger than the sum of its proper divisors (9913227609).

22155245223 is a wasteful number, since it uses less digits than its factorization.

22155245223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19975.

The product of its digits is 48000, while the sum is 33.

The spelling of 22155245223 in words is "twenty-two billion, one hundred fifty-five million, two hundred forty-five thousand, two hundred twenty-three".