22950215 has 4 divisors (see below), whose sum is σ = 27540264. Its totient is φ = 18360168.

The previous prime is 22950197. The next prime is 22950227. The reversal of 22950215 is 51205922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22950215 - 2¹⁰ = 22949191 is a prime.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2295017 + ... + 2295026.

It is an arithmetic number, because the mean of its divisors is an integer number (6885066).

Almost surely, 2^22950215 is an apocalyptic number.

22950215 is a deficient number, since it is larger than the sum of its proper divisors (4590049).

22950215 is an equidigital number, since it uses as much as digits as its factorization.

22950215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4590048.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 22950215 is about 4790.6382664526. The cubic root of 22950215 is about 284.1813585720.

The spelling of 22950215 in words is "twenty-two million, nine hundred fifty thousand, two hundred fifteen".