401401226 has 8 divisors (see below), whose sum is σ = 602345700. Its totient is φ = 200619328.

The previous prime is 401401223. The next prime is 401401243. The reversal of 401401226 is 622104104.

It is a Cunningham number, because it is equal to 20035²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 401401225 + 1 = 20035^2 + 1^2 .

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

It is a super-2 number, since 2×401401226² = 322245888468606152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401401198 and 401401207.

It is not an unprimeable number, because it can be changed into a prime (401401223) 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 in 3 ways as a sum of consecutive naturals, for example, 34271 + ... + 44466.

Almost surely, 2^401401226 is an apocalyptic number.

401401226 is a deficient number, since it is larger than the sum of its proper divisors (200944474).

401401226 is a wasteful number, since it uses less digits than its factorization.

401401226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81288.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 401401226 is about 20035.0000249563. Note that the first 4 decimals coincide. The cubic root of 401401226 is about 737.6656571663.

The spelling of 401401226 in words is "four hundred one million, four hundred one thousand, two hundred twenty-six".