30422157 has 8 divisors (see below), whose sum is σ = 40812384. Its totient is φ = 20156688.

The previous prime is 30422143. The next prime is 30422167. The reversal of 30422157 is 75122403.

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

It is not a de Polignac number, because 30422157 - 2⁴ = 30422141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30422137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30618 + ... + 31595.

It is an arithmetic number, because the mean of its divisors is an integer number (5101548).

Almost surely, 2^30422157 is an apocalyptic number.

It is an amenable number.

30422157 is a deficient number, since it is larger than the sum of its proper divisors (10390227).

30422157 is a wasteful number, since it uses less digits than its factorization.

30422157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62379.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 30422157 is about 5515.6284320103. The cubic root of 30422157 is about 312.1739558363.

The spelling of 30422157 in words is "thirty million, four hundred twenty-two thousand, one hundred fifty-seven".