22550213 has 8 divisors (see below), whose sum is σ = 26208960. Its totient is φ = 19000800.

The previous prime is 22550173. The next prime is 22550219. The reversal of 22550213 is 31205522.

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

It is not a de Polignac number, because 22550213 - 2⁶ = 22550149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22550219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26888 + ... + 27713.

It is an arithmetic number, because the mean of its divisors is an integer number (3276120).

Almost surely, 2^22550213 is an apocalyptic number.

It is an amenable number.

22550213 is a deficient number, since it is larger than the sum of its proper divisors (3658747).

22550213 is an equidigital number, since it uses as much as digits as its factorization.

22550213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54667.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 22550213 is about 4748.7064554466. The cubic root of 22550213 is about 282.5206625970.

Adding to 22550213 its reverse (31205522), we get a palindrome (53755735).

The spelling of 22550213 in words is "twenty-two million, five hundred fifty thousand, two hundred thirteen".