22446396 has 72 divisors (see below), whose sum is σ = 67267200. Its totient is φ = 6411312.

The previous prime is 22446379. The next prime is 22446439. The reversal of 22446396 is 69364422.

22446396 is a `hidden beast` number, since 224 + 46 + 396 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 22446396.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 5155 + ... + 8453.

Almost surely, 2^22446396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22446396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33633600).

22446396 is an abundant number, since it is smaller than the sum of its proper divisors (44820804).

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

22446396 is a wasteful number, since it uses less digits than its factorization.

22446396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325 (or 3311 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 22446396 is about 4737.7627631615. The cubic root of 22446396 is about 282.0864379661.

The spelling of 22446396 in words is "twenty-two million, four hundred forty-six thousand, three hundred ninety-six".