30122224 has 30 divisors (see below), whose sum is σ = 64153880. Its totient is φ = 13691040.

The previous prime is 30122221. The next prime is 30122243. The reversal of 30122224 is 42222103.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 30122198 and 30122207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30122221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5844 + ... + 9715.

Almost surely, 2^30122224 is an apocalyptic number.

It is an amenable number.

30122224 is an abundant number, since it is smaller than the sum of its proper divisors (34031656).

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

30122224 is a wasteful number, since it uses less digits than its factorization.

30122224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15589 (or 15572 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 30122224 is about 5488.3717075286. The cubic root of 30122224 is about 311.1446548110.

Adding to 30122224 its reverse (42222103), we get a palindrome (72344327).

The spelling of 30122224 in words is "thirty million, one hundred twenty-two thousand, two hundred twenty-four".