140223244 has 24 divisors (see below), whose sum is σ = 281504160. Its totient is φ = 59869056.

The previous prime is 140223241. The next prime is 140223257. The reversal of 140223244 is 442322041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (140223241) 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, 1777 + ... + 16840.

It is an arithmetic number, because the mean of its divisors is an integer number (11729340).

Almost surely, 2^140223244 is an apocalyptic number.

140223244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140223244 is an abundant number, since it is smaller than the sum of its proper divisors (141280916).

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

140223244 is a wasteful number, since it uses less digits than its factorization.

140223244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18897 (or 18895 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 140223244 is about 11841.5895892401. The cubic root of 140223244 is about 519.5252619824.

Adding to 140223244 its reverse (442322041), we get a palindrome (582545285).

The spelling of 140223244 in words is "one hundred forty million, two hundred twenty-three thousand, two hundred forty-four".