224155470 has 128 divisors (see below), whose sum is σ = 700047360. Its totient is φ = 44542080.

The previous prime is 224155433. The next prime is 224155507. The reversal of 224155470 is 74551422.

It is an interprime number because it is at equal distance from previous prime (224155433) and next prime (224155507).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51021 + ... + 55239.

It is an arithmetic number, because the mean of its divisors is an integer number (5469120).

Almost surely, 2^224155470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224155470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350023680).

224155470 is an abundant number, since it is smaller than the sum of its proper divisors (475891890).

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

224155470 is a wasteful number, since it uses less digits than its factorization.

224155470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4270.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 224155470 is about 14971.8225343476. The cubic root of 224155470 is about 607.4582673833.

The spelling of 224155470 in words is "two hundred twenty-four million, one hundred fifty-five thousand, four hundred seventy".