424213231 has 8 divisors (see below), whose sum is σ = 461369664. Its totient is φ = 387703200.

The previous prime is 424213213. The next prime is 424213243. The reversal of 424213231 is 132312424.

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 424213231 - 2⁵ = 424213199 is a prime.

It is a super-2 number, since 2×424213231² = 359913730710918722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424213201) 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, 160231 + ... + 162856.

It is an arithmetic number, because the mean of its divisors is an integer number (57671208).

Almost surely, 2^424213231 is an apocalyptic number.

424213231 is a deficient number, since it is larger than the sum of its proper divisors (37156433).

424213231 is a wasteful number, since it uses less digits than its factorization.

424213231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323201.

The product of its digits is 1152, while the sum is 22.

The square root of 424213231 is about 20596.4373375591. The cubic root of 424213231 is about 751.3830663060.

Adding to 424213231 its reverse (132312424), we get a palindrome (556525655).

The spelling of 424213231 in words is "four hundred twenty-four million, two hundred thirteen thousand, two hundred thirty-one".