102223422 has 24 divisors (see below), whose sum is σ = 253124976. Its totient is φ = 29206656.

The previous prime is 102223417. The next prime is 102223453. The reversal of 102223422 is 224322201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102223395 and 102223404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 405523 + ... + 405774.

It is an arithmetic number, because the mean of its divisors is an integer number (10546874).

Almost surely, 2^102223422 is an apocalyptic number.

102223422 is an abundant number, since it is smaller than the sum of its proper divisors (150901554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102223422 is a wasteful number, since it uses less digits than its factorization.

102223422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811312 (or 811309 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 102223422 is about 10110.5599251476. The cubic root of 102223422 is about 467.5737681833.

Adding to 102223422 its reverse (224322201), we get a palindrome (326545623).

The spelling of 102223422 in words is "one hundred two million, two hundred twenty-three thousand, four hundred twenty-two".