22065151 has 4 divisors (see below), whose sum is σ = 22188600. Its totient is φ = 21941704.

The previous prime is 22065089. The next prime is 22065157. The reversal of 22065151 is 15156022.

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 22065151 - 2⁹ = 22064639 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22065157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61456 + ... + 61813.

It is an arithmetic number, because the mean of its divisors is an integer number (5547150).

Almost surely, 2^22065151 is an apocalyptic number.

22065151 is a deficient number, since it is larger than the sum of its proper divisors (123449).

22065151 is a wasteful number, since it uses less digits than its factorization.

22065151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123448.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 22065151 is about 4697.3557455232. The cubic root of 22065151 is about 280.4802599640.

The spelling of 22065151 in words is "twenty-two million, sixty-five thousand, one hundred fifty-one".