102009226 has 16 divisors (see below), whose sum is σ = 167431680. Its totient is φ = 46226880.

The previous prime is 102009217. The next prime is 102009239. The reversal of 102009226 is 622900201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 102009197 and 102009206.

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, 535 + ... + 14293.

It is an arithmetic number, because the mean of its divisors is an integer number (10464480).

Almost surely, 2^102009226 is an apocalyptic number.

102009226 is a deficient number, since it is larger than the sum of its proper divisors (65422454).

102009226 is a wasteful number, since it uses less digits than its factorization.

102009226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14109.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 102009226 is about 10099.9616830956. The cubic root of 102009226 is about 467.2469596346.

Adding to 102009226 its reverse (622900201), we get a palindrome (724909427).

The spelling of 102009226 in words is "one hundred two million, nine thousand, two hundred twenty-six".