30403222 has 16 divisors (see below), whose sum is σ = 47192544. Its totient is φ = 14680000.

The previous prime is 30403213. The next prime is 30403237. The reversal of 30403222 is 22230403.

It is a junction number, because it is equal to n+sod(n) for n = 30403196 and 30403205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6447 + ... + 10117.

It is an arithmetic number, because the mean of its divisors is an integer number (2949534).

Almost surely, 2^30403222 is an apocalyptic number.

30403222 is a deficient number, since it is larger than the sum of its proper divisors (16789322).

30403222 is a wasteful number, since it uses less digits than its factorization.

30403222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3815.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 30403222 is about 5513.9116786543. The cubic root of 30403222 is about 312.1091758512.

Adding to 30403222 its reverse (22230403), we get a palindrome (52633625).

It can be divided in two parts, 30403 and 222, that added together give a square (30625 = 175²).

The spelling of 30403222 in words is "thirty million, four hundred three thousand, two hundred twenty-two".