30422402 has 8 divisors (see below), whose sum is σ = 45850512. Its totient is φ = 15138900.

The previous prime is 30422383. The next prime is 30422407. The reversal of 30422402 is 20422403.

30422402 is nontrivially palindromic in base 15.

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

It is not an unprimeable number, because it can be changed into a prime (30422407) 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, 35624 + ... + 36467.

It is an arithmetic number, because the mean of its divisors is an integer number (5731314).

Almost surely, 2^30422402 is an apocalyptic number.

30422402 is a deficient number, since it is larger than the sum of its proper divisors (15428110).

30422402 is a wasteful number, since it uses less digits than its factorization.

30422402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72304.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 30422402 is about 5515.6506415835. The cubic root of 30422402 is about 312.1747938485.

Adding to 30422402 its reverse (20422403), we get a palindrome (50844805).

Subtracting from 30422402 its reverse (20422403), we obtain a palindrome (9999999).

The spelling of 30422402 in words is "thirty million, four hundred twenty-two thousand, four hundred two".