22670947 has 4 divisors (see below), whose sum is σ = 24414880. Its totient is φ = 20927016.

The previous prime is 22670941. The next prime is 22670969. The reversal of 22670947 is 74907622.

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 22670947 - 2¹⁹ = 22146659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22670941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871947 + ... + 871972.

It is an arithmetic number, because the mean of its divisors is an integer number (6103720).

Almost surely, 2^22670947 is an apocalyptic number.

22670947 is a deficient number, since it is larger than the sum of its proper divisors (1743933).

22670947 is a wasteful number, since it uses less digits than its factorization.

22670947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743932.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 22670947 is about 4761.4017893893. The cubic root of 22670947 is about 283.0239712991.

The spelling of 22670947 in words is "twenty-two million, six hundred seventy thousand, nine hundred forty-seven".