22270347 has 24 divisors (see below), whose sum is σ = 36307440. Its totient is φ = 13030080.

The previous prime is 22270343. The next prime is 22270349. The reversal of 22270347 is 74307222.

It is not a de Polignac number, because 22270347 - 2² = 22270343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22270347.

It is not an unprimeable number, because it can be changed into a prime (22270343) 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 23 ways as a sum of consecutive naturals, for example, 1008 + ... + 6749.

It is an arithmetic number, because the mean of its divisors is an integer number (1512810).

Almost surely, 2^22270347 is an apocalyptic number.

22270347 is a deficient number, since it is larger than the sum of its proper divisors (14037093).

22270347 is a wasteful number, since it uses less digits than its factorization.

22270347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7803 (or 7800 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 22270347 is about 4719.1468508619. The cubic root of 22270347 is about 281.3470254873.

Adding to 22270347 its reverse (74307222), we get a palindrome (96577569).

The spelling of 22270347 in words is "twenty-two million, two hundred seventy thousand, three hundred forty-seven".