452211900 has 288 divisors, whose sum is σ = 1619896320. Its totient is φ = 95047680.

The previous prime is 452211899. The next prime is 452211923. The reversal of 452211900 is 9112254.

It is a super-2 number, since 2×452211900² = 408991205003220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1891981 + ... + 1892219.

It is an arithmetic number, because the mean of its divisors is an integer number (5624640).

Almost surely, 2^452211900 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 452211900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (809948160).

452211900 is an abundant number, since it is smaller than the sum of its proper divisors (1167684420).

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

452211900 is a wasteful number, since it uses less digits than its factorization.

452211900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 452211900 is about 21265.2745103373. The cubic root of 452211900 is about 767.5629362672.

The spelling of 452211900 in words is "four hundred fifty-two million, two hundred eleven thousand, nine hundred".