140222746 has 8 divisors (see below), whose sum is σ = 210814560. Its totient is φ = 69951228.

The previous prime is 140222729. The next prime is 140222767. The reversal of 140222746 is 647222041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78976 + ... + 80731.

It is an arithmetic number, because the mean of its divisors is an integer number (26351820).

Almost surely, 2^140222746 is an apocalyptic number.

140222746 is a deficient number, since it is larger than the sum of its proper divisors (70591814).

140222746 is a wasteful number, since it uses less digits than its factorization.

140222746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160148.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 140222746 is about 11841.5685616391. The cubic root of 140222746 is about 519.5246469539.

Adding to 140222746 its reverse (647222041), we get a palindrome (787444787).

The spelling of 140222746 in words is "one hundred forty million, two hundred twenty-two thousand, seven hundred forty-six".