22464330 has 64 divisors (see below), whose sum is σ = 64309248. Its totient is φ = 4910400.

The previous prime is 22464317. The next prime is 22464331. The reversal of 22464330 is 3346422.

It is a happy number.

It is a super-2 number, since 2×22464330² = 1009292244697800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22464330.

It is not an unprimeable number, because it can be changed into a prime (22464331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2505 + ... + 7155.

It is an arithmetic number, because the mean of its divisors is an integer number (1004832).

Almost surely, 2^22464330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22464330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32154624).

22464330 is an abundant number, since it is smaller than the sum of its proper divisors (41844918).

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

22464330 is a wasteful number, since it uses less digits than its factorization.

22464330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4691.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 22464330 is about 4739.6550507395. The cubic root of 22464330 is about 282.1615441801.

The spelling of 22464330 in words is "twenty-two million, four hundred sixty-four thousand, three hundred thirty".