19941226 has 8 divisors (see below), whose sum is σ = 29948580. Its totient is φ = 9958368.

The previous prime is 19941217. The next prime is 19941247. The reversal of 19941226 is 62214991.

It can be written as a sum of positive squares in 2 ways, for example, as 18931201 + 1010025 = 4351^2 + 1005^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 19941191 and 19941200.

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 in 3 ways as a sum of consecutive naturals, for example, 3931 + ... + 7438.

Almost surely, 2^19941226 is an apocalyptic number.

19941226 is a deficient number, since it is larger than the sum of its proper divisors (10007354).

19941226 is a wasteful number, since it uses less digits than its factorization.

19941226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12248.

The product of its digits is 7776, while the sum is 34.

The square root of 19941226 is about 4465.5599872804. The cubic root of 19941226 is about 271.1756054696.

The spelling of 19941226 in words is "nineteen million, nine hundred forty-one thousand, two hundred twenty-six".