30403422 has 36 divisors (see below), whose sum is σ = 76631256. Its totient is φ = 8686440.

The previous prime is 30403421. The next prime is 30403453. The reversal of 30403422 is 22430403.

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 = 30403395 and 30403404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30403421) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16354 + ... + 18117.

It is an arithmetic number, because the mean of its divisors is an integer number (2128646).

Almost surely, 2^30403422 is an apocalyptic number.

30403422 is an abundant number, since it is smaller than the sum of its proper divisors (46227834).

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

30403422 is a wasteful number, since it uses less digits than its factorization.

30403422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34493 (or 34483 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 30403422 is about 5513.9298145696. The cubic root of 30403422 is about 312.1098602271.

Adding to 30403422 its reverse (22430403), we get a palindrome (52833825).

The spelling of 30403422 in words is "thirty million, four hundred three thousand, four hundred twenty-two".