401115229 has 4 divisors (see below), whose sum is σ = 402914176. Its totient is φ = 399316284.

The previous prime is 401115227. The next prime is 401115233. The reversal of 401115229 is 922511104.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 401115229 - 2¹ = 401115227 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401115227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 899139 + ... + 899584.

It is an arithmetic number, because the mean of its divisors is an integer number (100728544).

Almost surely, 2^401115229 is an apocalyptic number.

It is an amenable number.

401115229 is a deficient number, since it is larger than the sum of its proper divisors (1798947).

401115229 is a wasteful number, since it uses less digits than its factorization.

401115229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798946.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 401115229 is about 20027.8613186730. The cubic root of 401115229 is about 737.4904207891.

The spelling of 401115229 in words is "four hundred one million, one hundred fifteen thousand, two hundred twenty-nine".