30222613 has 4 divisors (see below), whose sum is σ = 31197568. Its totient is φ = 29247660.

The previous prime is 30222607. The next prime is 30222623. The reversal of 30222613 is 31622203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31622203 = 137 ⋅230819.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30222613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30222623) 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, 487431 + ... + 487492.

It is an arithmetic number, because the mean of its divisors is an integer number (7799392).

Almost surely, 2^30222613 is an apocalyptic number.

It is an amenable number.

30222613 is a deficient number, since it is larger than the sum of its proper divisors (974955).

30222613 is an equidigital number, since it uses as much as digits as its factorization.

30222613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974954.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 30222613 is about 5497.5097089500. The cubic root of 30222613 is about 311.4899244156.

Adding to 30222613 its reverse (31622203), we get a palindrome (61844816).

The spelling of 30222613 in words is "thirty million, two hundred twenty-two thousand, six hundred thirteen".