22545007 has 8 divisors (see below), whose sum is σ = 23245056. Its totient is φ = 21854232.

The previous prime is 22544987. The next prime is 22545013. The reversal of 22545007 is 70054522.

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

It is a cyclic number.

It is not a de Polignac number, because 22545007 - 2²³ = 14156399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22545097) 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 7 ways as a sum of consecutive naturals, for example, 2788 + ... + 7270.

It is an arithmetic number, because the mean of its divisors is an integer number (2905632).

Almost surely, 2^22545007 is an apocalyptic number.

22545007 is a deficient number, since it is larger than the sum of its proper divisors (700049).

22545007 is a wasteful number, since it uses less digits than its factorization.

22545007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4637.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 22545007 is about 4748.1582745313. The cubic root of 22545007 is about 282.4989197755.

Adding to 22545007 its reverse (70054522), we get a palindrome (92599529).

The spelling of 22545007 in words is "twenty-two million, five hundred forty-five thousand, seven".