22252507 has 8 divisors (see below), whose sum is σ = 23614416. Its totient is φ = 20896512.

The previous prime is 22252493. The next prime is 22252511. The reversal of 22252507 is 70525222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22252507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22252537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8103 + ... + 10495.

It is an arithmetic number, because the mean of its divisors is an integer number (2951802).

Almost surely, 2^22252507 is an apocalyptic number.

22252507 is a deficient number, since it is larger than the sum of its proper divisors (1361909).

22252507 is a wasteful number, since it uses less digits than its factorization.

22252507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2957.

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

The square root of 22252507 is about 4717.2563000117. The cubic root of 22252507 is about 281.2718796476.

Adding to 22252507 its reverse (70525222), we get a palindrome (92777729).

The spelling of 22252507 in words is "twenty-two million, two hundred fifty-two thousand, five hundred seven".