2214157 has 4 divisors (see below), whose sum is σ = 2415456. Its totient is φ = 2012860.

The previous prime is 2214137. The next prime is 2214161. The reversal of 2214157 is 7514122.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 2214157 - 2¹⁹ = 1689869 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2214137) 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, 100633 + ... + 100654.

It is an arithmetic number, because the mean of its divisors is an integer number (603864).

2^2214157 is an apocalyptic number.

It is an amenable number.

2214157 is a deficient number, since it is larger than the sum of its proper divisors (201299).

2214157 is a wasteful number, since it uses less digits than its factorization.

2214157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201298.

The product of its digits is 560, while the sum is 22.

The square root of 2214157 is about 1488.0043682732. The cubic root of 2214157 is about 130.3375252753.

Adding to 2214157 its reverse (7514122), we get a palindrome (9728279).

The spelling of 2214157 in words is "two million, two hundred fourteen thousand, one hundred fifty-seven".