454252522 has 4 divisors (see below), whose sum is σ = 681378786. Its totient is φ = 227126260.

The previous prime is 454252511. The next prime is 454252523. The reversal of 454252522 is 225252454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 369446841 + 84805681 = 19221^2 + 9209^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (454252523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113563129 + ... + 113563132.

Almost surely, 2^454252522 is an apocalyptic number.

454252522 is a deficient number, since it is larger than the sum of its proper divisors (227126264).

454252522 is a wasteful number, since it uses less digits than its factorization.

454252522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227126263.

The product of its digits is 32000, while the sum is 31.

The square root of 454252522 is about 21313.2006512396. The cubic root of 454252522 is about 768.7157554799.

The spelling of 454252522 in words is "four hundred fifty-four million, two hundred fifty-two thousand, five hundred twenty-two".