102002022 has 24 divisors (see below), whose sum is σ = 222168960. Its totient is φ = 33821520.

The previous prime is 102002003. The next prime is 102002071. The reversal of 102002022 is 220200201.

It is a super-3 number, since 3×102002022³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 102001995 and 102002013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11397 + ... + 18272.

It is an arithmetic number, because the mean of its divisors is an integer number (9257040).

Almost surely, 2^102002022 is an apocalyptic number.

102002022 is an abundant number, since it is smaller than the sum of its proper divisors (120166938).

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

102002022 is a wasteful number, since it uses less digits than its factorization.

102002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29868 (or 29865 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 102002022 is about 10099.6050417826. The cubic root of 102002022 is about 467.2359602167.

Adding to 102002022 its reverse (220200201), we get a palindrome (322202223).

The spelling of 102002022 in words is "one hundred two million, two thousand, twenty-two".