22019370685 has 16 divisors (see below), whose sum is σ = 28547326080. Its totient is φ = 16208159040.

The previous prime is 22019370601. The next prime is 22019370713. The reversal of 22019370685 is 58607391022.

It is not a de Polignac number, because 22019370685 - 2¹³ = 22019362493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 524415 + ... + 564844.

It is an arithmetic number, because the mean of its divisors is an integer number (1784207880).

Almost surely, 2^22019370685 is an apocalyptic number.

It is an amenable number.

22019370685 is a deficient number, since it is larger than the sum of its proper divisors (6527955395).

22019370685 is a wasteful number, since it uses less digits than its factorization.

22019370685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089588.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 22019370685 in words is "twenty-two billion, nineteen million, three hundred seventy thousand, six hundred eighty-five".