30497224 has 8 divisors (see below), whose sum is σ = 57182310. Its totient is φ = 15248608.

The previous prime is 30497221. The next prime is 30497227. The reversal of 30497224 is 42279403.

It is an interprime number because it is at equal distance from previous prime (30497221) and next prime (30497227).

It can be written as a sum of positive squares in only one way, i.e., 15920100 + 14577124 = 3990^2 + 3818^2 .

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

It is not an unprimeable number, because it can be changed into a prime (30497221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1906069 + ... + 1906084.

Almost surely, 2^30497224 is an apocalyptic number.

It is an amenable number.

30497224 is a deficient number, since it is larger than the sum of its proper divisors (26685086).

30497224 is a wasteful number, since it uses less digits than its factorization.

30497224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3812159 (or 3812155 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 30497224 is about 5522.4291756436. The cubic root of 30497224 is about 312.4305091351.

The spelling of 30497224 in words is "thirty million, four hundred ninety-seven thousand, two hundred twenty-four".