22450646 has 4 divisors (see below), whose sum is σ = 33675972. Its totient is φ = 11225322.

The previous prime is 22450643. The next prime is 22450661. The reversal of 22450646 is 64605422.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22450643) 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 as a sum of consecutive naturals, namely, 5612660 + ... + 5612663.

It is an arithmetic number, because the mean of its divisors is an integer number (8418993).

Almost surely, 2^22450646 is an apocalyptic number.

22450646 is a deficient number, since it is larger than the sum of its proper divisors (11225326).

22450646 is a wasteful number, since it uses less digits than its factorization.

22450646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11225325.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 22450646 is about 4738.2112658682. The cubic root of 22450646 is about 282.1042402554.

The spelling of 22450646 in words is "twenty-two million, four hundred fifty thousand, six hundred forty-six".