30224389 has 4 divisors (see below), whose sum is σ = 32549356. Its totient is φ = 27899424.

The previous prime is 30224371. The next prime is 30224407. The reversal of 30224389 is 98342203.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (30224371) and next prime (30224407).

It can be written as a sum of positive squares in 2 ways, for example, as 17156164 + 13068225 = 4142^2 + 3615^2 .

It is a cyclic number.

It is not a de Polignac number, because 30224389 - 2⁵ = 30224357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30224389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30224309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1162464 + ... + 1162489.

It is an arithmetic number, because the mean of its divisors is an integer number (8137339).

Almost surely, 2^30224389 is an apocalyptic number.

It is an amenable number.

30224389 is a deficient number, since it is larger than the sum of its proper divisors (2324967).

30224389 is a wasteful number, since it uses less digits than its factorization.

30224389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2324966.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 30224389 is about 5497.6712342591. The cubic root of 30224389 is about 311.4960257551.

The spelling of 30224389 in words is "thirty million, two hundred twenty-four thousand, three hundred eighty-nine".