452131222 has 8 divisors (see below), whose sum is σ = 681411672. Its totient is φ = 224994000.

The previous prime is 452131159. The next prime is 452131223. The reversal of 452131222 is 222131254.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 452131193 and 452131202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452131223) 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, 535279 + ... + 536122.

It is an arithmetic number, because the mean of its divisors is an integer number (85176459).

Almost surely, 2^452131222 is an apocalyptic number.

452131222 is a deficient number, since it is larger than the sum of its proper divisors (229280450).

452131222 is a wasteful number, since it uses less digits than its factorization.

452131222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071614.

The product of its digits is 960, while the sum is 22.

The square root of 452131222 is about 21263.3774833633. The cubic root of 452131222 is about 767.5172872211.

Adding to 452131222 its reverse (222131254), we get a palindrome (674262476).

The spelling of 452131222 in words is "four hundred fifty-two million, one hundred thirty-one thousand, two hundred twenty-two".