449722224 has 120 divisors (see below), whose sum is σ = 1460085120. Its totient is φ = 126555264.

The previous prime is 449722223. The next prime is 449722241. The reversal of 449722224 is 422227944.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449722223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64207 + ... + 70865.

It is an arithmetic number, because the mean of its divisors is an integer number (12167376).

Almost surely, 2^449722224 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 449722224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (730042560).

449722224 is an abundant number, since it is smaller than the sum of its proper divisors (1010362896).

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

449722224 is a wasteful number, since it uses less digits than its factorization.

449722224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6747 (or 6738 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 449722224 is about 21206.6551818055. The cubic root of 449722224 is about 766.1517241102.

The spelling of 449722224 in words is "four hundred forty-nine million, seven hundred twenty-two thousand, two hundred twenty-four".