401216233 has 8 divisors (see below), whose sum is σ = 439092576. Its totient is φ = 363573600.

The previous prime is 401216219. The next prime is 401216239. The reversal of 401216233 is 332612104.

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

It is a cyclic number.

It is not a de Polignac number, because 401216233 - 2⁹ = 401215721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401216239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54823 + ... + 61708.

It is an arithmetic number, because the mean of its divisors is an integer number (54886572).

Almost surely, 2^401216233 is an apocalyptic number.

It is an amenable number.

401216233 is a deficient number, since it is larger than the sum of its proper divisors (37876343).

401216233 is a wasteful number, since it uses less digits than its factorization.

401216233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116855.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 401216233 is about 20030.3827472168. The cubic root of 401216233 is about 737.5523175755.

Adding to 401216233 its reverse (332612104), we get a palindrome (733828337).

The spelling of 401216233 in words is "four hundred one million, two hundred sixteen thousand, two hundred thirty-three".