22244947 has 8 divisors (see below), whose sum is σ = 22852080. Its totient is φ = 21645600.

The previous prime is 22244941. The next prime is 22245017. The reversal of 22244947 is 74944222.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22244947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22244941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4093 + ... + 7825.

It is an arithmetic number, because the mean of its divisors is an integer number (2856510).

Almost surely, 2^22244947 is an apocalyptic number.

22244947 is a deficient number, since it is larger than the sum of its proper divisors (607133).

22244947 is a wasteful number, since it uses less digits than its factorization.

22244947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3893.

The product of its digits is 32256, while the sum is 34.

The square root of 22244947 is about 4716.4549186863. The cubic root of 22244947 is about 281.2400232181.

The spelling of 22244947 in words is "twenty-two million, two hundred forty-four thousand, nine hundred forty-seven".