22274021947 has 8 divisors (see below), whose sum is σ = 23000568192. Its totient is φ = 21547977600.

The previous prime is 22274021927. The next prime is 22274021953. The reversal of 22274021947 is 74912047222.

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-22274021947 is a prime.

It is a super-2 number, since 2×22274021947² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22274021927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34204 + ... + 213817.

It is an arithmetic number, because the mean of its divisors is an integer number (2875071024).

Almost surely, 2^22274021947 is an apocalyptic number.

22274021947 is a deficient number, since it is larger than the sum of its proper divisors (726546245).

22274021947 is a wasteful number, since it uses less digits than its factorization.

22274021947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250949.

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 22274021947 in words is "twenty-two billion, two hundred seventy-four million, twenty-one thousand, nine hundred forty-seven".