22986447 has 32 divisors (see below), whose sum is σ = 35831040. Its totient is φ = 12960000.

The previous prime is 22986443. The next prime is 22986449. The reversal of 22986447 is 74468922.

It is not a de Polignac number, because 22986447 - 2² = 22986443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22986399 and 22986408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22986443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37947 + ... + 38547.

It is an arithmetic number, because the mean of its divisors is an integer number (1119720).

Almost surely, 2^22986447 is an apocalyptic number.

22986447 is a deficient number, since it is larger than the sum of its proper divisors (12844593).

22986447 is a wasteful number, since it uses less digits than its factorization.

22986447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695.

The product of its digits is 193536, while the sum is 42.

The square root of 22986447 is about 4794.4183171684. The cubic root of 22986447 is about 284.3308276920.

The spelling of 22986447 in words is "twenty-two million, nine hundred eighty-six thousand, four hundred forty-seven".