224451000 has 320 divisors, whose sum is σ = 835829280. Its totient is φ = 55987200.

The previous prime is 224450999. The next prime is 224451023. The reversal of 224451000 is 154422.

224451000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1376919 + ... + 1377081.

Almost surely, 2^224451000 is an apocalyptic number.

224451000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224451000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417914640).

224451000 is an abundant number, since it is smaller than the sum of its proper divisors (611378280).

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

224451000 is a wasteful number, since it uses less digits than its factorization.

224451000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 224451000 is about 14981.6888233603. The cubic root of 224451000 is about 607.7251109043.

The spelling of 224451000 in words is "two hundred twenty-four million, four hundred fifty-one thousand".