22030232 has 64 divisors (see below), whose sum is σ = 50829120. Its totient is φ = 8736768.

The previous prime is 22030231. The next prime is 22030241. The reversal of 22030232 is 23203022.

It is a super-2 number, since 2×22030232² = 970662243947648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22030231) 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, 69338 + ... + 69654.

It is an arithmetic number, because the mean of its divisors is an integer number (794205).

Almost surely, 2^22030232 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 22030232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25414560).

22030232 is an abundant number, since it is smaller than the sum of its proper divisors (28798888).

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

22030232 is a wasteful number, since it uses less digits than its factorization.

22030232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 22030232 is about 4693.6373954536. The cubic root of 22030232 is about 280.3322247015.

Adding to 22030232 its reverse (23203022), we get a palindrome (45233254).

The spelling of 22030232 in words is "twenty-two million, thirty thousand, two hundred thirty-two".