289650226 has 4 divisors (see below), whose sum is σ = 434475342. Its totient is φ = 144825112.

The previous prime is 289650223. The next prime is 289650239. The reversal of 289650226 is 622056982.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 622056982 = 2 ⋅311028491.

It can be written as a sum of positive squares in only one way, i.e., 289034001 + 616225 = 17001^2 + 785^2 .

It is not an unprimeable number, because it can be changed into a prime (289650223) by changing a digit.

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, 72412555 + ... + 72412558.

Almost surely, 2^289650226 is an apocalyptic number.

289650226 is a deficient number, since it is larger than the sum of its proper divisors (144825116).

289650226 is a wasteful number, since it uses less digits than its factorization.

289650226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144825115.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 289650226 is about 17019.1135491835. The cubic root of 289650226 is about 661.6443738158.

The spelling of 289650226 in words is "two hundred eighty-nine million, six hundred fifty thousand, two hundred twenty-six".