140224228 has 24 divisors (see below), whose sum is σ = 266854392. Its totient is φ = 64203264.

The previous prime is 140224213. The next prime is 140224229. The reversal of 140224228 is 822422041.

140224228 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 99161764 + 41062464 = 9958^2 + 6408^2 .

It is not an unprimeable number, because it can be changed into a prime (140224229) 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, 25351 + ... + 30382.

It is an arithmetic number, because the mean of its divisors is an integer number (11118933).

Almost surely, 2^140224228 is an apocalyptic number.

It is an amenable number.

140224228 is a deficient number, since it is larger than the sum of its proper divisors (126630164).

140224228 is a wasteful number, since it uses less digits than its factorization.

140224228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55791 (or 55789 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 140224228 is about 11841.6311376432. The cubic root of 140224228 is about 519.5264772152.

Adding to 140224228 its reverse (822422041), we get a palindrome (962646269).

The spelling of 140224228 in words is "one hundred forty million, two hundred twenty-four thousand, two hundred twenty-eight".