103220424 has 48 divisors (see below), whose sum is σ = 280098000. Its totient is φ = 34340064.

The previous prime is 103220419. The next prime is 103220431. The reversal of 103220424 is 424022301.

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 = 103220397 and 103220406.

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, 48127 + ... + 50225.

It is an arithmetic number, because the mean of its divisors is an integer number (5835375).

Almost surely, 2^103220424 is an apocalyptic number.

It is an amenable number.

103220424 is an abundant number, since it is smaller than the sum of its proper divisors (176877576).

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

103220424 is a wasteful number, since it uses less digits than its factorization.

103220424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794 (or 2787 counting only the distinct ones).

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

The square root of 103220424 is about 10159.7452723973. The cubic root of 103220424 is about 469.0889610192.

Adding to 103220424 its reverse (424022301), we get a palindrome (527242725).

The spelling of 103220424 in words is "one hundred three million, two hundred twenty thousand, four hundred twenty-four".