22870032 has 40 divisors (see below), whose sum is σ = 62558496. Its totient is φ = 7174656.

The previous prime is 22870031. The next prime is 22870037. The reversal of 22870032 is 23007822.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 22869984 and 22870011.

It is not an unprimeable number, because it can be changed into a prime (22870031) 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, 13198 + ... + 14829.

Almost surely, 2^22870032 is an apocalyptic number.

It is an amenable number.

22870032 is an abundant number, since it is smaller than the sum of its proper divisors (39688464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22870032 is a wasteful number, since it uses less digits than its factorization.

22870032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28055 (or 28049 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 22870032 is about 4782.2622261854. The cubic root of 22870032 is about 283.8500166867.

Adding to 22870032 its reverse (23007822), we get a palindrome (45877854).

The spelling of 22870032 in words is "twenty-two million, eight hundred seventy thousand, thirty-two".