30022071 has 8 divisors (see below), whose sum is σ = 42136320. Its totient is φ = 18961272.

The previous prime is 30022067. The next prime is 30022073. The reversal of 30022071 is 17022003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30022071 - 2² = 30022067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30022071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30022073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263295 + ... + 263408.

It is an arithmetic number, because the mean of its divisors is an integer number (5267040).

Almost surely, 2^30022071 is an apocalyptic number.

30022071 is a deficient number, since it is larger than the sum of its proper divisors (12114249).

30022071 is a wasteful number, since it uses less digits than its factorization.

30022071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526725.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 30022071 is about 5479.2400020441. The cubic root of 30022071 is about 310.7994316148.

Adding to 30022071 its reverse (17022003), we get a palindrome (47044074).

The spelling of 30022071 in words is "thirty million, twenty-two thousand, seventy-one".