22507005 has 8 divisors (see below), whose sum is σ = 36011232. Its totient is φ = 12003728.

The previous prime is 22506983. The next prime is 22507013. The reversal of 22507005 is 50070522.

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 22507005 - 2⁵ = 22506973 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, 750219 + ... + 750248.

It is an arithmetic number, because the mean of its divisors is an integer number (4501404).

Almost surely, 2^22507005 is an apocalyptic number.

It is an amenable number.

22507005 is a deficient number, since it is larger than the sum of its proper divisors (13504227).

22507005 is a wasteful number, since it uses less digits than its factorization.

22507005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500475.

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 22507005 is about 4744.1548246237. The cubic root of 22507005 is about 282.3401032128.

Adding to 22507005 its reverse (50070522), we get a palindrome (72577527).

The spelling of 22507005 in words is "twenty-two million, five hundred seven thousand, five".