140206622 has 8 divisors (see below), whose sum is σ = 211845456. Its totient is φ = 69591472.

The previous prime is 140206601. The next prime is 140206663. The reversal of 140206622 is 226602041.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255578 + ... + 256125.

It is an arithmetic number, because the mean of its divisors is an integer number (26480682).

Almost surely, 2^140206622 is an apocalyptic number.

140206622 is a deficient number, since it is larger than the sum of its proper divisors (71638834).

140206622 is a wasteful number, since it uses less digits than its factorization.

140206622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511842.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 140206622 is about 11840.8877200994. The cubic root of 140206622 is about 519.5047330746.

Adding to 140206622 its reverse (226602041), we get a palindrome (366808663).

The spelling of 140206622 in words is "one hundred forty million, two hundred six thousand, six hundred twenty-two".