140066622 has 24 divisors (see below), whose sum is σ = 304407480. Its totient is φ = 46545840.

The previous prime is 140066617. The next prime is 140066629. The reversal of 140066622 is 226660041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140066629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5797 + ... + 17712.

It is an arithmetic number, because the mean of its divisors is an integer number (12683645).

Almost surely, 2^140066622 is an apocalyptic number.

140066622 is an abundant number, since it is smaller than the sum of its proper divisors (164340858).

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

140066622 is a wasteful number, since it uses less digits than its factorization.

140066622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23848 (or 23845 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 140066622 is about 11834.9745246874. The cubic root of 140066622 is about 519.3317624430.

The spelling of 140066622 in words is "one hundred forty million, sixty-six thousand, six hundred twenty-two".