22071813340 has 24 divisors (see below), whose sum is σ = 46354063392. Its totient is φ = 8828105280.

The previous prime is 22071813317. The next prime is 22071813343. The reversal of 22071813340 is 4331817022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22071813343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346585 + ... + 405295.

It is an arithmetic number, because the mean of its divisors is an integer number (1931419308).

Almost surely, 2^22071813340 is an apocalyptic number.

22071813340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22071813340 is an abundant number, since it is smaller than the sum of its proper divisors (24282250052).

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

22071813340 is a wasteful number, since it uses less digits than its factorization.

22071813340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77517 (or 77515 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 22071813340 in words is "twenty-two billion, seventy-one million, eight hundred thirteen thousand, three hundred forty".