22646132210 has 16 divisors (see below), whose sum is σ = 43898656536. Its totient is φ = 8361648768.

The previous prime is 22646132207. The next prime is 22646132287. The reversal of 22646132210 is 1223164622.

It can be written as a sum of positive squares in 4 ways, for example, as 20496789889 + 2149342321 = 143167^2 + 46361^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87100379 + ... + 87100638.

Almost surely, 2^22646132210 is an apocalyptic number.

22646132210 is a deficient number, since it is larger than the sum of its proper divisors (21252524326).

22646132210 is a wasteful number, since it uses less digits than its factorization.

22646132210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174201037.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 22646132210 its reverse (1223164622), we get a palindrome (23869296832).

The spelling of 22646132210 in words is "twenty-two billion, six hundred forty-six million, one hundred thirty-two thousand, two hundred ten".