9214157 has 4 divisors (see below), whose sum is σ = 9254976. Its totient is φ = 9173340.

The previous prime is 9214151. The next prime is 9214181. The reversal of 9214157 is 7514129.

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: 7514129 = 7 ⋅1073447.

It is a cyclic number.

It is not a de Polignac number, because 9214157 - 2²⁰ = 8165581 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 (9214151) 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 3 ways as a sum of consecutive naturals, for example, 20069 + ... + 20522.

It is an arithmetic number, because the mean of its divisors is an integer number (2313744).

Almost surely, 2^9214157 is an apocalyptic number.

It is an amenable number.

9214157 is a deficient number, since it is larger than the sum of its proper divisors (40819).

9214157 is a wasteful number, since it uses less digits than its factorization.

9214157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40818.

The product of its digits is 2520, while the sum is 29.

The square root of 9214157 is about 3035.4829928695. The cubic root of 9214157 is about 209.6453348342.

The spelling of 9214157 in words is "nine million, two hundred fourteen thousand, one hundred fifty-seven".