22642006 has 4 divisors (see below), whose sum is σ = 33963012. Its totient is φ = 11321002.

The previous prime is 22642001. The next prime is 22642013. The reversal of 22642006 is 60024622.

It is a happy number.

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 (22642001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660500 + ... + 5660503.

It is an arithmetic number, because the mean of its divisors is an integer number (8490753).

Almost surely, 2^22642006 is an apocalyptic number.

22642006 is a deficient number, since it is larger than the sum of its proper divisors (11321006).

22642006 is a wasteful number, since it uses less digits than its factorization.

22642006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11321005.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 22642006 is about 4758.3616928519. The cubic root of 22642006 is about 282.9034869235.

Adding to 22642006 its reverse (60024622), we get a palindrome (82666628).

The spelling of 22642006 in words is "twenty-two million, six hundred forty-two thousand, six".