22238101 has 4 divisors (see below), whose sum is σ = 22387500. Its totient is φ = 22088704.

The previous prime is 22238087. The next prime is 22238119. The reversal of 22238101 is 10183222.

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 13147876 + 9090225 = 3626^2 + 3015^2 .

It is a cyclic number.

It is not a de Polignac number, because 22238101 - 2¹⁵ = 22205333 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 (22238141) 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, 74476 + ... + 74773.

It is an arithmetic number, because the mean of its divisors is an integer number (5596875).

Almost surely, 2^22238101 is an apocalyptic number.

It is an amenable number.

22238101 is a deficient number, since it is larger than the sum of its proper divisors (149399).

22238101 is a wasteful number, since it uses less digits than its factorization.

22238101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149398.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 22238101 is about 4715.7291058754. The cubic root of 22238101 is about 281.2111692234.

The spelling of 22238101 in words is "twenty-two million, two hundred thirty-eight thousand, one hundred one".