102722226 has 16 divisors (see below), whose sum is σ = 205545504. Its totient is φ = 34223904.

The previous prime is 102722203. The next prime is 102722233. The reversal of 102722226 is 622227201.

It is a junction number, because it is equal to n+sod(n) for n = 102722196 and 102722205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18105 + ... + 23091.

It is an arithmetic number, because the mean of its divisors is an integer number (12846594).

Almost surely, 2^102722226 is an apocalyptic number.

102722226 is an abundant number, since it is smaller than the sum of its proper divisors (102823278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102722226 is a wasteful number, since it uses less digits than its factorization.

102722226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8425.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 102722226 is about 10135.1973833764. The cubic root of 102722226 is about 468.3330506057. Note that the first 3 decimals are identical.

Adding to 102722226 its reverse (622227201), we get a palindrome (724949427).

The spelling of 102722226 in words is "one hundred two million, seven hundred twenty-two thousand, two hundred twenty-six".