22250254 has 32 divisors (see below), whose sum is σ = 38414880. Its totient is φ = 9580032.

The previous prime is 22250251. The next prime is 22250321. The reversal of 22250254 is 45205222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22250251) 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 15 ways as a sum of consecutive naturals, for example, 35754 + ... + 36370.

It is an arithmetic number, because the mean of its divisors is an integer number (1200465).

Almost surely, 2^22250254 is an apocalyptic number.

22250254 is a deficient number, since it is larger than the sum of its proper divisors (16164626).

22250254 is a wasteful number, since it uses less digits than its factorization.

22250254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 22250254 is about 4717.0174898976. The cubic root of 22250254 is about 281.2623866808.

Adding to 22250254 its reverse (45205222), we get a palindrome (67455476).

The spelling of 22250254 in words is "twenty-two million, two hundred fifty thousand, two hundred fifty-four".