224726228 has 6 divisors (see below), whose sum is σ = 393270906. Its totient is φ = 112363112.

The previous prime is 224726219. The next prime is 224726251. The reversal of 224726228 is 822627422.

It can be written as a sum of positive squares in only one way, i.e., 151486864 + 73239364 = 12308^2 + 8558^2 .

It is a super-2 number, since 2×224726228² = 101003755102215968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28090775 + ... + 28090782.

It is an arithmetic number, because the mean of its divisors is an integer number (65545151).

Almost surely, 2^224726228 is an apocalyptic number.

It is an amenable number.

224726228 is a deficient number, since it is larger than the sum of its proper divisors (168544678).

224726228 is a wasteful number, since it uses less digits than its factorization.

224726228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56181561 (or 56181559 counting only the distinct ones).

The product of its digits is 43008, while the sum is 35.

The square root of 224726228 is about 14990.8714890096. The cubic root of 224726228 is about 607.9734125320.

The spelling of 224726228 in words is "two hundred twenty-four million, seven hundred twenty-six thousand, two hundred twenty-eight".