103420422 has 64 divisors (see below), whose sum is σ = 265213440. Its totient is φ = 29261088.

The previous prime is 103420417. The next prime is 103420423. The reversal of 103420422 is 224024301.

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 = 103420395 and 103420404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103420423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39168 + ... + 41724.

It is an arithmetic number, because the mean of its divisors is an integer number (4143960).

Almost surely, 2^103420422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103420422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132606720).

103420422 is an abundant number, since it is smaller than the sum of its proper divisors (161793018).

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

103420422 is a wasteful number, since it uses less digits than its factorization.

103420422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682 (or 2676 counting only the distinct ones).

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

The square root of 103420422 is about 10169.5831772989. The cubic root of 103420422 is about 469.3917316109.

Adding to 103420422 its reverse (224024301), we get a palindrome (327444723).

The spelling of 103420422 in words is "one hundred three million, four hundred twenty thousand, four hundred twenty-two".