22425623 has 4 divisors (see below), whose sum is σ = 24464328. Its totient is φ = 20386920.

The previous prime is 22425619. The next prime is 22425649. The reversal of 22425623 is 32652422.

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

It is a cyclic number.

It is not a de Polignac number, because 22425623 - 2² = 22425619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22425592 and 22425601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22425223) 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, 1019336 + ... + 1019357.

It is an arithmetic number, because the mean of its divisors is an integer number (6116082).

Almost surely, 2^22425623 is an apocalyptic number.

22425623 is a deficient number, since it is larger than the sum of its proper divisors (2038705).

22425623 is a wasteful number, since it uses less digits than its factorization.

22425623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038704.

The product of its digits is 5760, while the sum is 26.

The square root of 22425623 is about 4735.5699762542. The cubic root of 22425623 is about 281.9993922157. Note that the first 3 decimals are identical.

The spelling of 22425623 in words is "twenty-two million, four hundred twenty-five thousand, six hundred twenty-three".