102443022 has 128 divisors (see below), whose sum is σ = 271296000. Its totient is φ = 28304640.

The previous prime is 102443021. The next prime is 102443023. The reversal of 102443022 is 220344201.

It is an interprime number because it is at equal distance from previous prime (102443021) and next prime (102443023).

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 = 102442986 and 102443004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102443021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 327138 + ... + 327450.

It is an arithmetic number, because the mean of its divisors is an integer number (2119500).

Almost surely, 2^102443022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102443022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135648000).

102443022 is an abundant number, since it is smaller than the sum of its proper divisors (168852978).

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

102443022 is a wasteful number, since it uses less digits than its factorization.

102443022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 377 counting only the distinct ones).

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

The square root of 102443022 is about 10121.4140316460. The cubic root of 102443022 is about 467.9083482588.

Adding to 102443022 its reverse (220344201), we get a palindrome (322787223).

The spelling of 102443022 in words is "one hundred two million, four hundred forty-three thousand, twenty-two".