22432330 has 16 divisors (see below), whose sum is σ = 41363784. Its totient is φ = 8753920.

The previous prime is 22432321. The next prime is 22432339. The reversal of 22432330 is 3323422.

It is an interprime number because it is at equal distance from previous prime (22432321) and next prime (22432339).

It can be written as a sum of positive squares in 4 ways, for example, as 10259209 + 12173121 = 3203^2 + 3489^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22432298 and 22432307.

It is not an unprimeable number, because it can be changed into a prime (22432339) 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 in 7 ways as a sum of consecutive naturals, for example, 26947 + ... + 27766.

Almost surely, 2^22432330 is an apocalyptic number.

22432330 is a deficient number, since it is larger than the sum of its proper divisors (18931454).

22432330 is a wasteful number, since it uses less digits than its factorization.

22432330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54761.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 22432330 is about 4736.2780746067. The cubic root of 22432330 is about 282.0275026410.

Adding to 22432330 its reverse (3323422), we get a palindrome (25755752).

The spelling of 22432330 in words is "twenty-two million, four hundred thirty-two thousand, three hundred thirty".