14220537 has 8 divisors (see below), whose sum is σ = 19572480. Its totient is φ = 9174480.

The previous prime is 14220533. The next prime is 14220539. The reversal of 14220537 is 73502241.

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

It is not a de Polignac number, because 14220537 - 2² = 14220533 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14220533) 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, 76362 + ... + 76547.

It is an arithmetic number, because the mean of its divisors is an integer number (2446560).

Almost surely, 2^14220537 is an apocalyptic number.

It is an amenable number.

14220537 is a deficient number, since it is larger than the sum of its proper divisors (5351943).

14220537 is a wasteful number, since it uses less digits than its factorization.

14220537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152943.

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

The square root of 14220537 is about 3771.0127286977. The cubic root of 14220537 is about 242.2731757954.

Adding to 14220537 its reverse (73502241), we get a palindrome (87722778).

The spelling of 14220537 in words is "fourteen million, two hundred twenty thousand, five hundred thirty-seven".