102222320444 has 6 divisors (see below), whose sum is σ = 178889060784. Its totient is φ = 51111160220.

The previous prime is 102222320383. The next prime is 102222320461. The reversal of 102222320444 is 444023222201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12777790052 + ... + 12777790059.

It is an arithmetic number, because the mean of its divisors is an integer number (29814843464).

Almost surely, 2^102222320444 is an apocalyptic number.

It is an amenable number.

102222320444 is a deficient number, since it is larger than the sum of its proper divisors (76666740340).

102222320444 is a wasteful number, since it uses less digits than its factorization.

102222320444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25555580115 (or 25555580113 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 102222320444 its reverse (444023222201), we get a palindrome (546245542645).

The spelling of 102222320444 in words is "one hundred two billion, two hundred twenty-two million, three hundred twenty thousand, four hundred forty-four".