22148101 has 4 divisors (see below), whose sum is σ = 22263052. Its totient is φ = 22033152.

The previous prime is 22148099. The next prime is 22148111. The reversal of 22148101 is 10184122.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9180900 + 12967201 = 3030^2 + 3601^2 .

It is a cyclic number.

It is not a de Polignac number, because 22148101 - 2¹ = 22148099 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 (22148111) 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, 57186 + ... + 57571.

It is an arithmetic number, because the mean of its divisors is an integer number (5565763).

Almost surely, 2^22148101 is an apocalyptic number.

It is an amenable number.

22148101 is a deficient number, since it is larger than the sum of its proper divisors (114951).

22148101 is a wasteful number, since it uses less digits than its factorization.

22148101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114950.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 22148101 is about 4706.1768985026. The cubic root of 22148101 is about 280.8312922881.

The spelling of 22148101 in words is "twenty-two million, one hundred forty-eight thousand, one hundred one".