22174949 has 4 divisors (see below), whose sum is σ = 22272864. Its totient is φ = 22077036.

The previous prime is 22174939. The next prime is 22174963. The reversal of 22174949 is 94947122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22174949 - 2⁸ = 22174693 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 (22174939) 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, 48617 + ... + 49070.

It is an arithmetic number, because the mean of its divisors is an integer number (5568216).

Almost surely, 2^22174949 is an apocalyptic number.

It is an amenable number.

22174949 is a deficient number, since it is larger than the sum of its proper divisors (97915).

22174949 is an equidigital number, since it uses as much as digits as its factorization.

22174949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97914.

The product of its digits is 36288, while the sum is 38.

The square root of 22174949 is about 4709.0284560618. The cubic root of 22174949 is about 280.9447213358.

The spelling of 22174949 in words is "twenty-two million, one hundred seventy-four thousand, nine hundred forty-nine".