140302222 has 4 divisors (see below), whose sum is σ = 210453336. Its totient is φ = 70151110.

The previous prime is 140302193. The next prime is 140302229. The reversal of 140302222 is 222203041.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 140302196 and 140302205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140302229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35075554 + ... + 35075557.

It is an arithmetic number, because the mean of its divisors is an integer number (52613334).

Almost surely, 2^140302222 is an apocalyptic number.

140302222 is a deficient number, since it is larger than the sum of its proper divisors (70151114).

140302222 is an equidigital number, since it uses as much as digits as its factorization.

140302222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70151113.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 140302222 is about 11844.9238916930. The cubic root of 140302222 is about 519.6227811575.

Adding to 140302222 its reverse (222203041), we get a palindrome (362505263).

The spelling of 140302222 in words is "one hundred forty million, three hundred two thousand, two hundred twenty-two".