30244420 has 12 divisors (see below), whose sum is σ = 63513324. Its totient is φ = 12097760.

The previous prime is 30244393. The next prime is 30244433. The reversal of 30244420 is 2444203.

It can be written as a sum of positive squares in 2 ways, for example, as 16760836 + 13483584 = 4094^2 + 3672^2 .

It is a super-2 number, since 2×30244420² = 1829449882272800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756091 + ... + 756130.

It is an arithmetic number, because the mean of its divisors is an integer number (5292777).

Almost surely, 2^30244420 is an apocalyptic number.

It is an amenable number.

30244420 is an abundant number, since it is smaller than the sum of its proper divisors (33268904).

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

30244420 is a wasteful number, since it uses less digits than its factorization.

30244420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512230 (or 1512228 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 30244420 is about 5499.4927038773. The cubic root of 30244420 is about 311.5648244879.

Adding to 30244420 its reverse (2444203), we get a palindrome (32688623).

The spelling of 30244420 in words is "thirty million, two hundred forty-four thousand, four hundred twenty".