22240832 has 14 divisors (see below), whose sum is σ = 44134278. Its totient is φ = 11120384.

The previous prime is 22240831. The next prime is 22240853. The reversal of 22240832 is 23804222.

It can be written as a sum of positive squares in only one way, i.e., 17505856 + 4734976 = 4184^2 + 2176^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22240798 and 22240807.

It is not an unprimeable number, because it can be changed into a prime (22240831) 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 as a sum of consecutive naturals, namely, 173693 + ... + 173820.

Almost surely, 2^22240832 is an apocalyptic number.

It is an amenable number.

22240832 is a deficient number, since it is larger than the sum of its proper divisors (21893446).

22240832 is an equidigital number, since it uses as much as digits as its factorization.

22240832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347525 (or 347515 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 22240832 is about 4716.0186598443. The cubic root of 22240832 is about 281.2226803422. Note that the first 3 decimals are identical.

The spelling of 22240832 in words is "twenty-two million, two hundred forty thousand, eight hundred thirty-two".