401436226 has 8 divisors (see below), whose sum is σ = 602843580. Its totient is φ = 200488368.

The previous prime is 401436193. The next prime is 401436239. The reversal of 401436226 is 622634104.

It can be written as a sum of positive squares in 2 ways, for example, as 399960001 + 1476225 = 19999^2 + 1215^2 .

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

It is a super-2 number, since 2×401436226² = 322302087090246152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401436194 and 401436203.

It is an unprimeable number.

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, 112681 + ... + 116188.

Almost surely, 2^401436226 is an apocalyptic number.

401436226 is a deficient number, since it is larger than the sum of its proper divisors (201407354).

401436226 is a wasteful number, since it uses less digits than its factorization.

401436226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229748.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 401436226 is about 20035.8734773406. The cubic root of 401436226 is about 737.6870966853.

The spelling of 401436226 in words is "four hundred one million, four hundred thirty-six thousand, two hundred twenty-six".