22660151 has 4 divisors (see below), whose sum is σ = 22688904. Its totient is φ = 22631400.

The previous prime is 22660087. The next prime is 22660177. The reversal of 22660151 is 15106622.

22660151 is nontrivially palindromic in base 14.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22660151 - 2⁶ = 22660087 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 (22660181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13160 + ... + 14781.

It is an arithmetic number, because the mean of its divisors is an integer number (5672226).

Almost surely, 2^22660151 is an apocalyptic number.

22660151 is a deficient number, since it is larger than the sum of its proper divisors (28753).

22660151 is an equidigital number, since it uses as much as digits as its factorization.

22660151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28752.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 22660151 is about 4760.2679546429. The cubic root of 22660151 is about 282.9790384321.

Adding to 22660151 its reverse (15106622), we get a palindrome (37766773).

The spelling of 22660151 in words is "twenty-two million, six hundred sixty thousand, one hundred fifty-one".