971712226 has 4 divisors (see below), whose sum is σ = 1457568342. Its totient is φ = 485856112.

The previous prime is 971712223. The next prime is 971712227. The reversal of 971712226 is 622217179.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 622217179 = 73 ⋅8523523.

It can be written as a sum of positive squares in only one way, i.e., 970260201 + 1452025 = 31149^2 + 1205^2 .

It is not an unprimeable number, because it can be changed into a prime (971712221) by changing a digit.

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 as a sum of consecutive naturals, namely, 242928055 + ... + 242928058.

Almost surely, 2^971712226 is an apocalyptic number.

971712226 is a deficient number, since it is larger than the sum of its proper divisors (485856116).

971712226 is a wasteful number, since it uses less digits than its factorization.

971712226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485856115.

The product of its digits is 21168, while the sum is 37.

The square root of 971712226 is about 31172.2990169156. The cubic root of 971712226 is about 990.4804069110.

It can be divided in two parts, 971712 and 226, that multiplied together give a palindrome (219606912).

The spelling of 971712226 in words is "nine hundred seventy-one million, seven hundred twelve thousand, two hundred twenty-six".