401224233 has 4 divisors (see below), whose sum is σ = 534965648. Its totient is φ = 267482820.

The previous prime is 401224199. The next prime is 401224247. The reversal of 401224233 is 332422104.

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 not a de Polignac number, because 401224233 - 2⁶ = 401224169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401224433) 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, 66870703 + ... + 66870708.

It is an arithmetic number, because the mean of its divisors is an integer number (133741412).

Almost surely, 2^401224233 is an apocalyptic number.

It is an amenable number.

401224233 is a deficient number, since it is larger than the sum of its proper divisors (133741415).

401224233 is a wasteful number, since it uses less digits than its factorization.

401224233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133741414.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 401224233 is about 20030.5824428547. The cubic root of 401224233 is about 737.5572196531.

Adding to 401224233 its reverse (332422104), we get a palindrome (733646337).

The spelling of 401224233 in words is "four hundred one million, two hundred twenty-four thousand, two hundred thirty-three".