22132352 has 48 divisors (see below), whose sum is σ = 48498450. Its totient is φ = 10053120.

The previous prime is 22132339. The next prime is 22132367. The reversal of 22132352 is 25323122.

It can be written as a sum of positive squares in only one way, i.e., 21752896 + 379456 = 4664^2 + 616^2 .

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14774 + ... + 16202.

Almost surely, 2^22132352 is an apocalyptic number.

22132352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22132352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24249225).

22132352 is an abundant number, since it is smaller than the sum of its proper divisors (26366098).

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

22132352 is a wasteful number, since it uses less digits than its factorization.

22132352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465 (or 1442 counting only the distinct ones).

The product of its digits is 720, while the sum is 20.

The square root of 22132352 is about 4704.5033744275. The cubic root of 22132352 is about 280.7647123022.

Adding to 22132352 its reverse (25323122), we get a palindrome (47455474).

The spelling of 22132352 in words is "twenty-two million, one hundred thirty-two thousand, three hundred fifty-two".