1912226 has 4 divisors (see below), whose sum is σ = 2868342. Its totient is φ = 956112.

The previous prime is 1912213. The next prime is 1912241. The reversal of 1912226 is 6222191.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1825201 + 87025 = 1351^2 + 295^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 478055 + ... + 478058.

2^1912226 is an apocalyptic number.

1912226 is a deficient number, since it is larger than the sum of its proper divisors (956116).

1912226 is an equidigital number, since it uses as much as digits as its factorization.

1912226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956115.

The product of its digits is 432, while the sum is 23.

The square root of 1912226 is about 1382.8326001364. The cubic root of 1912226 is about 124.1213259274.

The spelling of 1912226 in words is "one million, nine hundred twelve thousand, two hundred twenty-six".