22149133 has 4 divisors (see below), whose sum is σ = 22295968. Its totient is φ = 22002300.

The previous prime is 22149121. The next prime is 22149137. The reversal of 22149133 is 33194122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22149133 - 2¹³ = 22140941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22149098 and 22149107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22149137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73191 + ... + 73492.

It is an arithmetic number, because the mean of its divisors is an integer number (5573992).

Almost surely, 2^22149133 is an apocalyptic number.

It is an amenable number.

22149133 is a deficient number, since it is larger than the sum of its proper divisors (146835).

22149133 is a wasteful number, since it uses less digits than its factorization.

22149133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146834.

The product of its digits is 1296, while the sum is 25.

The square root of 22149133 is about 4706.2865403628. The cubic root of 22149133 is about 280.8356540374.

The spelling of 22149133 in words is "twenty-two million, one hundred forty-nine thousand, one hundred thirty-three".