23220115 has 8 divisors (see below), whose sum is σ = 28457280. Its totient is φ = 18180672.

The previous prime is 23220091. The next prime is 23220139. The reversal of 23220115 is 51102232.

It is an interprime number because it is at equal distance from previous prime (23220091) and next prime (23220139).

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 23220115 - 2⁵ = 23220083 is a prime.

It is a super-2 number, since 2×23220115² = 1078347481226450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49170 + ... + 49639.

It is an arithmetic number, because the mean of its divisors is an integer number (3557160).

Almost surely, 2^23220115 is an apocalyptic number.

23220115 is a deficient number, since it is larger than the sum of its proper divisors (5237165).

23220115 is an equidigital number, since it uses as much as digits as its factorization.

23220115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98861.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 23220115 is about 4818.7254538934. The cubic root of 23220115 is about 285.2910333702.

Adding to 23220115 its reverse (51102232), we get a palindrome (74322347).

The spelling of 23220115 in words is "twenty-three million, two hundred twenty thousand, one hundred fifteen".