23022445 has 8 divisors (see below), whose sum is σ = 27901080. Its totient is φ = 18235200.

The previous prime is 23022413. The next prime is 23022463. The reversal of 23022445 is 54422032.

It can be written as a sum of positive squares in 4 ways, for example, as 4652649 + 18369796 = 2157^2 + 4286^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23022445 - 2⁵ = 23022413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22290 + ... + 23299.

It is an arithmetic number, because the mean of its divisors is an integer number (3487635).

Almost surely, 2^23022445 is an apocalyptic number.

It is an amenable number.

23022445 is a deficient number, since it is larger than the sum of its proper divisors (4878635).

23022445 is a wasteful number, since it uses less digits than its factorization.

23022445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45695.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 23022445 is about 4798.1710057062. The cubic root of 23022445 is about 284.4791760173.

Adding to 23022445 its reverse (54422032), we get a palindrome (77444477).

The spelling of 23022445 in words is "twenty-three million, twenty-two thousand, four hundred forty-five".