22066347 has 8 divisors (see below), whose sum is σ = 29446144. Its totient is φ = 14698728.

The previous prime is 22066337. The next prime is 22066351. The reversal of 22066347 is 74366022.

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

It is not a de Polignac number, because 22066347 - 2²⁴ = 5289131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22066337) 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, 2778 + ... + 7200.

It is an arithmetic number, because the mean of its divisors is an integer number (3680768).

Almost surely, 2^22066347 is an apocalyptic number.

22066347 is a deficient number, since it is larger than the sum of its proper divisors (7379797).

22066347 is a wasteful number, since it uses less digits than its factorization.

22066347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6089.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 22066347 is about 4697.4830494638. The cubic root of 22066347 is about 280.4853275074.

The spelling of 22066347 in words is "twenty-two million, sixty-six thousand, three hundred forty-seven".