452223864 has 128 divisors (see below), whose sum is σ = 1336608000. Its totient is φ = 141264000.

The previous prime is 452223859. The next prime is 452223911. The reversal of 452223864 is 468322254.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 413959 + ... + 415049.

It is an arithmetic number, because the mean of its divisors is an integer number (10442250).

Almost surely, 2^452223864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 452223864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (668304000).

452223864 is an abundant number, since it is smaller than the sum of its proper divisors (884384136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

452223864 is a wasteful number, since it uses less digits than its factorization.

452223864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226 (or 1216 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 452223864 is about 21265.5558121578. Note that the first 3 decimals coincide. The cubic root of 452223864 is about 767.5697052487.

The spelling of 452223864 in words is "four hundred fifty-two million, two hundred twenty-three thousand, eight hundred sixty-four".