22032234 has 24 divisors (see below), whose sum is σ = 54556320. Its totient is φ = 6294888.

The previous prime is 22032233. The next prime is 22032239. The reversal of 22032234 is 43223022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22032233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87304 + ... + 87555.

It is an arithmetic number, because the mean of its divisors is an integer number (2273180).

Almost surely, 2^22032234 is an apocalyptic number.

22032234 is an abundant number, since it is smaller than the sum of its proper divisors (32524086).

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

22032234 is a wasteful number, since it uses less digits than its factorization.

22032234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174874 (or 174871 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 22032234 is about 4693.8506580419. The cubic root of 22032234 is about 280.3407161859.

Adding to 22032234 its reverse (43223022), we get a palindrome (65255256).

The spelling of 22032234 in words is "twenty-two million, thirty-two thousand, two hundred thirty-four".