401279229 has 24 divisors (see below), whose sum is σ = 651356160. Its totient is φ = 236202912.

The previous prime is 401279227. The next prime is 401279251. The reversal of 401279229 is 922972104.

401279229 is a `hidden beast` number, since 401 + 27 + 9 + 229 = 666.

It is not a de Polignac number, because 401279229 - 2¹ = 401279227 is a prime.

It is a super-2 number, since 2×401279229² = 322050039253668882, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 401279193 and 401279202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401279227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71869 + ... + 77250.

It is an arithmetic number, because the mean of its divisors is an integer number (27139840).

Almost surely, 2^401279229 is an apocalyptic number.

It is an amenable number.

401279229 is a deficient number, since it is larger than the sum of its proper divisors (250076931).

401279229 is a wasteful number, since it uses less digits than its factorization.

401279229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149161 (or 149158 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 401279229 is about 20031.9551966352. The cubic root of 401279229 is about 737.5909172220.

The spelling of 401279229 in words is "four hundred one million, two hundred seventy-nine thousand, two hundred twenty-nine".