22254150 has 24 divisors (see below), whose sum is σ = 55190664. Its totient is φ = 5934400.

The previous prime is 22254121. The next prime is 22254157. The reversal of 22254150 is 5145222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22254157) 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 11 ways as a sum of consecutive naturals, for example, 74031 + ... + 74330.

It is an arithmetic number, because the mean of its divisors is an integer number (2299611).

Almost surely, 2^22254150 is an apocalyptic number.

22254150 is an abundant number, since it is smaller than the sum of its proper divisors (32936514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22254150 is a wasteful number, since it uses less digits than its factorization.

22254150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148376 (or 148371 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 22254150 is about 4717.4304446383. The cubic root of 22254150 is about 281.2788019886.

Adding to 22254150 its reverse (5145222), we get a palindrome (27399372).

The spelling of 22254150 in words is "twenty-two million, two hundred fifty-four thousand, one hundred fifty".