22401231340 has 24 divisors (see below), whose sum is σ = 49087916640. Its totient is φ = 8570905728.

The previous prime is 22401231331. The next prime is 22401231373. The reversal of 22401231340 is 4313210422.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24348705 + ... + 24349624.

It is an arithmetic number, because the mean of its divisors is an integer number (2045329860).

Almost surely, 2^22401231340 is an apocalyptic number.

22401231340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22401231340 is an abundant number, since it is smaller than the sum of its proper divisors (26686685300).

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

22401231340 is a wasteful number, since it uses less digits than its factorization.

22401231340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48698361 (or 48698359 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22401231340 its reverse (4313210422), we get a palindrome (26714441762).

The spelling of 22401231340 in words is "twenty-two billion, four hundred one million, two hundred thirty-one thousand, three hundred forty".