22046646 has 8 divisors (see below), whose sum is σ = 44093304. Its totient is φ = 7348880.

The previous prime is 22046621. The next prime is 22046677. The reversal of 22046646 is 64664022.

It is a sphenic number, since it is the product of 3 distinct primes.

22046646 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1837215 + ... + 1837226.

It is an arithmetic number, because the mean of its divisors is an integer number (5511663).

Almost surely, 2^22046646 is an apocalyptic number.

22046646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22046646 is a wasteful number, since it uses less digits than its factorization.

22046646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3674446.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 22046646 is about 4695.3856071680. The cubic root of 22046646 is about 280.4018295190.

The spelling of 22046646 in words is "twenty-two million, forty-six thousand, six hundred forty-six".