102212626 has 8 divisors (see below), whose sum is σ = 153865404. Its totient is φ = 50924160.

The previous prime is 102212623. The next prime is 102212633. The reversal of 102212626 is 626212201.

It can be written as a sum of positive squares in 2 ways, for example, as 101909025 + 303601 = 10095^2 + 551^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 102212597 and 102212606.

It is not an unprimeable number, because it can be changed into a prime (102212623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90375 + ... + 91498.

Almost surely, 2^102212626 is an apocalyptic number.

102212626 is a deficient number, since it is larger than the sum of its proper divisors (51652778).

102212626 is a wasteful number, since it uses less digits than its factorization.

102212626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182156.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 102212626 is about 10110.0260138142. The cubic root of 102212626 is about 467.5573071674.

Adding to 102212626 its reverse (626212201), we get a palindrome (728424827).

The spelling of 102212626 in words is "one hundred two million, two hundred twelve thousand, six hundred twenty-six".