22447347 has 8 divisors (see below), whose sum is σ = 32232144. Its totient is φ = 13813728.

The previous prime is 22447339. The next prime is 22447367. The reversal of 22447347 is 74374422.

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

It is not a de Polignac number, because 22447347 - 2³ = 22447339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22447307) 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, 287748 + ... + 287825.

It is an arithmetic number, because the mean of its divisors is an integer number (4029018).

Almost surely, 2^22447347 is an apocalyptic number.

22447347 is a deficient number, since it is larger than the sum of its proper divisors (9784797).

22447347 is a wasteful number, since it uses less digits than its factorization.

22447347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575589.

The product of its digits is 37632, while the sum is 33.

The square root of 22447347 is about 4737.8631259250. The cubic root of 22447347 is about 282.0904216853.

It can be divided in two parts, 2244 and 7347, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 22447347 in words is "twenty-two million, four hundred forty-seven thousand, three hundred forty-seven".