22231554302140 has 48 divisors (see below), whose sum is σ = 46706945894784. Its totient is φ = 8888683003200.

The previous prime is 22231554302033. The next prime is 22231554302141. The reversal of 22231554302140 is 4120345513222.

It is a junction number, because it is equal to n+sod(n) for n = 22231554302096 and 22231554302105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231554302141) 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, 904776055 + ... + 904800625.

It is an arithmetic number, because the mean of its divisors is an integer number (973061372808).

Almost surely, 2^{22231554302140} is an apocalyptic number.

22231554302140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22231554302140 is an abundant number, since it is smaller than the sum of its proper divisors (24475391592644).

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

22231554302140 is a wasteful number, since it uses less digits than its factorization.

22231554302140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42778 (or 42776 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 22231554302140 its reverse (4120345513222), we get a palindrome (26351899815362).

The spelling of 22231554302140 in words is "twenty-two trillion, two hundred thirty-one billion, five hundred fifty-four million, three hundred two thousand, one hundred forty".