22247395 has 4 divisors (see below), whose sum is σ = 26696880. Its totient is φ = 17797912.

The previous prime is 22247387. The next prime is 22247431. The reversal of 22247395 is 59374222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22247395 - 2³ = 22247387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22247395.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2224735 + ... + 2224744.

It is an arithmetic number, because the mean of its divisors is an integer number (6674220).

Almost surely, 2^22247395 is an apocalyptic number.

22247395 is a deficient number, since it is larger than the sum of its proper divisors (4449485).

22247395 is an equidigital number, since it uses as much as digits as its factorization.

22247395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4449484.

The product of its digits is 30240, while the sum is 34.

The square root of 22247395 is about 4716.7144284979. The cubic root of 22247395 is about 281.2503394235.

The spelling of 22247395 in words is "twenty-two million, two hundred forty-seven thousand, three hundred ninety-five".