22134425 has 12 divisors (see below), whose sum is σ = 29061756. Its totient is φ = 16665600.

The previous prime is 22134419. The next prime is 22134439. The reversal of 22134425 is 52443122.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1194649 + 20939776 = 1093^2 + 4576^2 .

It is not a de Polignac number, because 22134425 - 2¹⁰ = 22133401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22134425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25616 + ... + 26465.

It is an arithmetic number, because the mean of its divisors is an integer number (2421813).

Almost surely, 2^22134425 is an apocalyptic number.

22134425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22134425 is a deficient number, since it is larger than the sum of its proper divisors (6927331).

22134425 is a wasteful number, since it uses less digits than its factorization.

22134425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52108 (or 52103 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 22134425 is about 4704.7236900800. The cubic root of 22134425 is about 280.7734778577.

Adding to 22134425 its reverse (52443122), we get a palindrome (74577547).

It can be divided in two parts, 2213 and 4425, that multiplied together give a triangular number (9792525 = T₄₄₂₅).

The spelling of 22134425 in words is "twenty-two million, one hundred thirty-four thousand, four hundred twenty-five".