22064232 has 64 divisors (see below), whose sum is σ = 59875200. Its totient is φ = 6748160.

The previous prime is 22064213. The next prime is 22064233. The reversal of 22064232 is 23246022.

It is a junction number, because it is equal to n+sod(n) for n = 22064199 and 22064208.

It is not an unprimeable number, because it can be changed into a prime (22064233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16069 + ... + 17387.

It is an arithmetic number, because the mean of its divisors is an integer number (935550).

Almost surely, 2^22064232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22064232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29937600).

22064232 is an abundant number, since it is smaller than the sum of its proper divisors (37810968).

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

22064232 is a wasteful number, since it uses less digits than its factorization.

22064232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386 (or 1382 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 22064232 is about 4697.2579235124. The cubic root of 22064232 is about 280.4763659664.

The spelling of 22064232 in words is "twenty-two million, sixty-four thousand, two hundred thirty-two".