18222256102 has 16 divisors (see below), whose sum is σ = 27530254080. Its totient is φ = 9045636808.

The previous prime is 18222256093. The next prime is 18222256121. The reversal of 18222256102 is 20165222281.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247713 + ... + 312739.

It is an arithmetic number, because the mean of its divisors is an integer number (1720640880).

Almost surely, 2^18222256102 is an apocalyptic number.

18222256102 is a deficient number, since it is larger than the sum of its proper divisors (9307997978).

18222256102 is a wasteful number, since it uses less digits than its factorization.

18222256102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66035.

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 18222256102 its reverse (20165222281), we get a palindrome (38387478383).

The spelling of 18222256102 in words is "eighteen billion, two hundred twenty-two million, two hundred fifty-six thousand, one hundred two".