23422445 has 4 divisors (see below), whose sum is σ = 28106940. Its totient is φ = 18737952.

The previous prime is 23422423. The next prime is 23422471. The reversal of 23422445 is 54422432.

It is a happy number.

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 13169641 + 10252804 = 3629^2 + 3202^2 .

It is a cyclic number.

It is not a de Polignac number, because 23422445 - 2⁶ = 23422381 is a prime.

It is a super-2 number, since 2×23422445² = 1097221859556050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2342240 + ... + 2342249.

It is an arithmetic number, because the mean of its divisors is an integer number (7026735).

Almost surely, 2^23422445 is an apocalyptic number.

It is an amenable number.

23422445 is a deficient number, since it is larger than the sum of its proper divisors (4684495).

23422445 is an equidigital number, since it uses as much as digits as its factorization.

23422445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4684494.

The product of its digits is 7680, while the sum is 26.

The square root of 23422445 is about 4839.6740592730. The cubic root of 23422445 is about 286.1172722322.

Adding to 23422445 its reverse (54422432), we get a palindrome (77844877).

The spelling of 23422445 in words is "twenty-three million, four hundred twenty-two thousand, four hundred forty-five".