22446030 has 64 divisors (see below), whose sum is σ = 57853440. Its totient is φ = 5556096.

The previous prime is 22446023. The next prime is 22446031. The reversal of 22446030 is 3064422.

It is a junction number, because it is equal to n+sod(n) for n = 22445988 and 22446006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22446031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29839 + ... + 30581.

It is an arithmetic number, because the mean of its divisors is an integer number (903960).

Almost surely, 2^22446030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22446030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28926720).

22446030 is an abundant number, since it is smaller than the sum of its proper divisors (35407410).

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

22446030 is a wasteful number, since it uses less digits than its factorization.

22446030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 22446030 is about 4737.7241371781. The cubic root of 22446030 is about 282.0849047697.

The spelling of 22446030 in words is "twenty-two million, four hundred forty-six thousand, thirty".