30022431 has 8 divisors (see below), whose sum is σ = 40686384. Its totient is φ = 19686720.

The previous prime is 30022427. The next prime is 30022439. The reversal of 30022431 is 13422003.

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

It is not a de Polignac number, because 30022431 - 2² = 30022427 is a prime.

It is a super-2 number, since 2×30022431² = 1802692726299522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30022431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30022439) 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, 81846 + ... + 82211.

It is an arithmetic number, because the mean of its divisors is an integer number (5085798).

Almost surely, 2^30022431 is an apocalyptic number.

30022431 is a deficient number, since it is larger than the sum of its proper divisors (10663953).

30022431 is a wasteful number, since it uses less digits than its factorization.

30022431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164121.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30022431 is about 5479.2728532169. The cubic root of 30022431 is about 310.8006738936.

Adding to 30022431 its reverse (13422003), we get a palindrome (43444434).

The spelling of 30022431 in words is "thirty million, twenty-two thousand, four hundred thirty-one".