22255149 has 8 divisors (see below), whose sum is σ = 33912640. Its totient is φ = 12717216.

The previous prime is 22255147. The next prime is 22255153. The reversal of 22255149 is 94155222.

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

It is not a de Polignac number, because 22255149 - 2¹ = 22255147 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 (22255141) by changing a digit.

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, 529864 + ... + 529905.

It is an arithmetic number, because the mean of its divisors is an integer number (4239080).

Almost surely, 2^22255149 is an apocalyptic number.

It is an amenable number.

22255149 is a deficient number, since it is larger than the sum of its proper divisors (11657491).

22255149 is a wasteful number, since it uses less digits than its factorization.

22255149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059779.

The product of its digits is 7200, while the sum is 30.

The square root of 22255149 is about 4717.5363273641. The cubic root of 22255149 is about 281.2830108414.

The spelling of 22255149 in words is "twenty-two million, two hundred fifty-five thousand, one hundred forty-nine".