30113222 has 24 divisors (see below), whose sum is σ = 48938256. Its totient is φ = 13889408.

The previous prime is 30113221. The next prime is 30113231. The reversal of 30113222 is 22231103.

It is a happy number.

It is a super-2 number, since 2×30113222² = 1813612278442568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30113197 and 30113206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30113221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30143 + ... + 31125.

It is an arithmetic number, because the mean of its divisors is an integer number (2039094).

Almost surely, 2^30113222 is an apocalyptic number.

30113222 is a deficient number, since it is larger than the sum of its proper divisors (18825034).

30113222 is a wasteful number, since it uses less digits than its factorization.

30113222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1055 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 30113222 is about 5487.5515487328. The cubic root of 30113222 is about 311.1136566213.

Adding to 30113222 its reverse (22231103), we get a palindrome (52344325).

The spelling of 30113222 in words is "thirty million, one hundred thirteen thousand, two hundred twenty-two".