140222177 has 4 divisors (see below), whose sum is σ = 140851200. Its totient is φ = 139593156.

The previous prime is 140222149. The next prime is 140222179. The reversal of 140222177 is 771222041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 771222041 = 27691 ⋅27851.

It is a cyclic number.

It is not a de Polignac number, because 140222177 - 2²⁴ = 123444961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140222179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314177 + ... + 314622.

It is an arithmetic number, because the mean of its divisors is an integer number (35212800).

Almost surely, 2^140222177 is an apocalyptic number.

It is an amenable number.

140222177 is a deficient number, since it is larger than the sum of its proper divisors (629023).

140222177 is an equidigital number, since it uses as much as digits as its factorization.

140222177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629022.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 140222177 is about 11841.5445360814. The cubic root of 140222177 is about 519.5239442388.

The spelling of 140222177 in words is "one hundred forty million, two hundred twenty-two thousand, one hundred seventy-seven".