22484129 has 4 divisors (see below), whose sum is σ = 22508676. Its totient is φ = 22459584.

The previous prime is 22484117. The next prime is 22484131. The reversal of 22484129 is 92148422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92148422 = 2 ⋅46074211.

It can be written as a sum of positive squares in 2 ways, for example, as 5053504 + 17430625 = 2248^2 + 4175^2 .

It is a cyclic number.

It is not a de Polignac number, because 22484129 - 2⁸ = 22483873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22484095 and 22484104.

It is not an unprimeable number, because it can be changed into a prime (22484929) 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, 10844 + ... + 12749.

It is an arithmetic number, because the mean of its divisors is an integer number (5627169).

Almost surely, 2^22484129 is an apocalyptic number.

It is an amenable number.

22484129 is a deficient number, since it is larger than the sum of its proper divisors (24547).

22484129 is an equidigital number, since it uses as much as digits as its factorization.

22484129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24546.

The product of its digits is 9216, while the sum is 32.

The square root of 22484129 is about 4741.7432448415. The cubic root of 22484129 is about 282.2444144606.

It can be divided in two parts, 22484 and 129, that multiplied together give a triangular number (2900436 = T₂₄₀₈).

The spelling of 22484129 in words is "twenty-two million, four hundred eighty-four thousand, one hundred twenty-nine".