22947859 has 8 divisors (see below), whose sum is σ = 26122752. Its totient is φ = 19954440.

The previous prime is 22947857. The next prime is 22947871. The reversal of 22947859 is 95874922.

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

It is not a de Polignac number, because 22947859 - 2¹ = 22947857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22947851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45099 + ... + 45604.

It is an arithmetic number, because the mean of its divisors is an integer number (3265344).

Almost surely, 2^22947859 is an apocalyptic number.

22947859 is a deficient number, since it is larger than the sum of its proper divisors (3174893).

22947859 is a wasteful number, since it uses less digits than its factorization.

22947859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90737.

The product of its digits is 362880, while the sum is 46.

The square root of 22947859 is about 4790.3923638884. The cubic root of 22947859 is about 284.1716338383.

It can be divided in two parts, 2294 and 7859, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 22947859 in words is "twenty-two million, nine hundred forty-seven thousand, eight hundred fifty-nine".