22359149 has 4 divisors (see below), whose sum is σ = 22368636. Its totient is φ = 22349664.

The previous prime is 22359119. The next prime is 22359193. The reversal of 22359149 is 94195322.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4761124 + 17598025 = 2182^2 + 4195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22359149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22359109) 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 3 ways as a sum of consecutive naturals, for example, 1817 + ... + 6929.

It is an arithmetic number, because the mean of its divisors is an integer number (5592159).

Almost surely, 2^22359149 is an apocalyptic number.

It is an amenable number.

22359149 is a deficient number, since it is larger than the sum of its proper divisors (9487).

22359149 is an equidigital number, since it uses as much as digits as its factorization.

22359149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9486.

The product of its digits is 19440, while the sum is 35.

The square root of 22359149 is about 4728.5461824963. The cubic root of 22359149 is about 281.7204823859.

The spelling of 22359149 in words is "twenty-two million, three hundred fifty-nine thousand, one hundred forty-nine".