22236013947 has 42 divisors (see below), whose sum is σ = 34727668084. Its totient is φ = 12655671000.

The previous prime is 22236013903. The next prime is 22236013967. The reversal of 22236013947 is 74931063222.

It is not a de Polignac number, because 22236013947 - 2¹⁶ = 22235948411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22236013967) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 88589572 + ... + 88589822.

Almost surely, 2^22236013947 is an apocalyptic number.

22236013947 is a deficient number, since it is larger than the sum of its proper divisors (12491654137).

22236013947 is an frugal number, since it uses more digits than its factorization.

22236013947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The spelling of 22236013947 in words is "twenty-two billion, two hundred thirty-six million, thirteen thousand, nine hundred forty-seven".