224469380 has 24 divisors (see below), whose sum is σ = 484127448. Its totient is φ = 87360768.

The previous prime is 224469373. The next prime is 224469389. The reversal of 224469380 is 83964422.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 129367876 + 95101504 = 11374^2 + 9752^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (224469389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150929 + ... + 152408.

It is an arithmetic number, because the mean of its divisors is an integer number (20171977).

Almost surely, 2^224469380 is an apocalyptic number.

224469380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224469380 is an abundant number, since it is smaller than the sum of its proper divisors (259658068).

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

224469380 is a wasteful number, since it uses less digits than its factorization.

224469380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303383 (or 303381 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 224469380 is about 14982.3022262935. The cubic root of 224469380 is about 607.7416990574.

The spelling of 224469380 in words is "two hundred twenty-four million, four hundred sixty-nine thousand, three hundred eighty".