22642140766 has 8 divisors (see below), whose sum is σ = 38815098480. Its totient is φ = 9703774608.

The previous prime is 22642140743. The next prime is 22642140793. The reversal of 22642140766 is 66704124622.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808647871 + ... + 808647898.

It is an arithmetic number, because the mean of its divisors is an integer number (4851887310).

Almost surely, 2^22642140766 is an apocalyptic number.

22642140766 is a deficient number, since it is larger than the sum of its proper divisors (16172957714).

22642140766 is a wasteful number, since it uses less digits than its factorization.

22642140766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617295778.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 22642140766 in words is "twenty-two billion, six hundred forty-two million, one hundred forty thousand, seven hundred sixty-six".