22231330140 has 48 divisors (see below), whose sum is σ = 62340330528. Its totient is φ = 5919535104.

The previous prime is 22231330129. The next prime is 22231330141. The reversal of 22231330140 is 4103313222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231330141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234897 + ... + 315656.

It is an arithmetic number, because the mean of its divisors is an integer number (1298756886).

Almost surely, 2^22231330140 is an apocalyptic number.

22231330140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22231330140 is an abundant number, since it is smaller than the sum of its proper divisors (40109000388).

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

22231330140 is a wasteful number, since it uses less digits than its factorization.

22231330140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551238 (or 551236 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22231330140 its reverse (4103313222), we get a palindrome (26334643362).

The spelling of 22231330140 in words is "twenty-two billion, two hundred thirty-one million, three hundred thirty thousand, one hundred forty".