22142006 has 4 divisors (see below), whose sum is σ = 33213012. Its totient is φ = 11071002.

The previous prime is 22141981. The next prime is 22142023. The reversal of 22142006 is 60024122.

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

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 as a sum of consecutive naturals, namely, 5535500 + ... + 5535503.

It is an arithmetic number, because the mean of its divisors is an integer number (8303253).

Almost surely, 2^22142006 is an apocalyptic number.

22142006 is a deficient number, since it is larger than the sum of its proper divisors (11071006).

22142006 is a wasteful number, since it uses less digits than its factorization.

22142006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11071005.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 22142006 is about 4705.5293007270. The cubic root of 22142006 is about 280.8055289994.

Adding to 22142006 its reverse (60024122), we get a palindrome (82166128).

The spelling of 22142006 in words is "twenty-two million, one hundred forty-two thousand, six".