452234421 has 16 divisors (see below), whose sum is σ = 678251520. Its totient is φ = 301488156.

The previous prime is 452234399. The next prime is 452234437. The reversal of 452234421 is 124432254.

452234421 is a `hidden beast` number, since 4 + 5 + 2 + 234 + 421 = 666.

It is not a de Polignac number, because 452234421 - 2¹¹ = 452232373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452234491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101205 + ... + 105578.

It is an arithmetic number, because the mean of its divisors is an integer number (42390720).

Almost surely, 2^452234421 is an apocalyptic number.

It is an amenable number.

452234421 is a deficient number, since it is larger than the sum of its proper divisors (226017099).

452234421 is an frugal number, since it uses more digits than its factorization.

452234421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206804 (or 206786 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 452234421 is about 21265.8040290039. The cubic root of 452234421 is about 767.5756780798.

Adding to 452234421 its reverse (124432254), we get a palindrome (576666675).

The spelling of 452234421 in words is "four hundred fifty-two million, two hundred thirty-four thousand, four hundred twenty-one".