22252115 has 8 divisors (see below), whose sum is σ = 26880288. Its totient is φ = 17683200.

The previous prime is 22252067. The next prime is 22252117. The reversal of 22252115 is 51125222.

It is a happy number.

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

It is not a de Polignac number, because 22252115 - 2¹⁶ = 22186579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22252117) 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, 13982 + ... + 15491.

It is an arithmetic number, because the mean of its divisors is an integer number (3360036).

Almost surely, 2^22252115 is an apocalyptic number.

22252115 is a deficient number, since it is larger than the sum of its proper divisors (4628173).

22252115 is a wasteful number, since it uses less digits than its factorization.

22252115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29629.

The product of its digits is 400, while the sum is 20.

The square root of 22252115 is about 4717.2147502525. The cubic root of 22252115 is about 281.2702280102.

Adding to 22252115 its reverse (51125222), we get a palindrome (73377337).

The spelling of 22252115 in words is "twenty-two million, two hundred fifty-two thousand, one hundred fifteen".