400224335 has 8 divisors (see below), whose sum is σ = 548879136. Its totient is φ = 274439520.

The previous prime is 400224313. The next prime is 400224337. The reversal of 400224335 is 533422004.

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

It is a de Polignac number, because none of the positive numbers 2^k-400224335 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 400224335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400224337) 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, 5717456 + ... + 5717525.

It is an arithmetic number, because the mean of its divisors is an integer number (68609892).

Almost surely, 2^400224335 is an apocalyptic number.

400224335 is a deficient number, since it is larger than the sum of its proper divisors (148654801).

400224335 is a wasteful number, since it uses less digits than its factorization.

400224335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11434993.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 400224335 is about 20005.6075888737. The cubic root of 400224335 is about 736.9440168534.

Adding to 400224335 its reverse (533422004), we get a palindrome (933646339).

The spelling of 400224335 in words is "four hundred million, two hundred twenty-four thousand, three hundred thirty-five".