30447224 has 8 divisors (see below), whose sum is σ = 57088560. Its totient is φ = 15223608.

The previous prime is 30447223. The next prime is 30447229. The reversal of 30447224 is 42274403.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 30447193 and 30447202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30447223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1902944 + ... + 1902959.

It is an arithmetic number, because the mean of its divisors is an integer number (7136070).

Almost surely, 2^30447224 is an apocalyptic number.

It is an amenable number.

30447224 is a deficient number, since it is larger than the sum of its proper divisors (26641336).

30447224 is a wasteful number, since it uses less digits than its factorization.

30447224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3805909 (or 3805905 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 30447224 is about 5517.9003253049. The cubic root of 30447224 is about 312.2596731450.

The spelling of 30447224 in words is "thirty million, four hundred forty-seven thousand, two hundred twenty-four".