22678532 has 12 divisors (see below), whose sum is σ = 39804240. Its totient is φ = 11305896.

The previous prime is 22678531. The next prime is 22678547. The reversal of 22678532 is 23587622.

It is a junction number, because it is equal to n+sod(n) for n = 22678492 and 22678501.

It is not an unprimeable number, because it can be changed into a prime (22678531) 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, 6782 + ... + 9557.

It is an arithmetic number, because the mean of its divisors is an integer number (3317020).

Almost surely, 2^22678532 is an apocalyptic number.

It is an amenable number.

22678532 is a deficient number, since it is larger than the sum of its proper divisors (17125708).

22678532 is a wasteful number, since it uses less digits than its factorization.

22678532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16690 (or 16688 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 22678532 is about 4762.1982319093. The cubic root of 22678532 is about 283.0555314784.

The spelling of 22678532 in words is "twenty-two million, six hundred seventy-eight thousand, five hundred thirty-two".