22140023340 has 48 divisors (see below), whose sum is σ = 62776788480. Its totient is φ = 5829270720.

The previous prime is 22140023293. The next prime is 22140023377. The reversal of 22140023340 is 4332004122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2330706 + ... + 2340185.

It is an arithmetic number, because the mean of its divisors is an integer number (1307849760).

Almost surely, 2^22140023340 is an apocalyptic number.

22140023340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22140023340 is an abundant number, since it is smaller than the sum of its proper divisors (40636765140).

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

22140023340 is a wasteful number, since it uses less digits than its factorization.

22140023340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4670982 (or 4670980 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22140023340 its reverse (4332004122), we get a palindrome (26472027462).

The spelling of 22140023340 in words is "twenty-two billion, one hundred forty million, twenty-three thousand, three hundred forty".