22314351540 has 96 divisors (see below), whose sum is σ = 67628373120. Its totient is φ = 5464843776.

The previous prime is 22314351533. The next prime is 22314351559. The reversal of 22314351540 is 4515341322.

It is a super-3 number, since 3×22314351540³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22314351498 and 22314351507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81051 + ... + 226269.

It is an arithmetic number, because the mean of its divisors is an integer number (704462220).

Almost surely, 2^22314351540 is an apocalyptic number.

22314351540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22314351540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33814186560).

22314351540 is an abundant number, since it is smaller than the sum of its proper divisors (45314021580).

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

22314351540 is a wasteful number, since it uses less digits than its factorization.

22314351540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145441 (or 145439 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 22314351540 its reverse (4515341322), we get a palindrome (26829692862).

The spelling of 22314351540 in words is "twenty-two billion, three hundred fourteen million, three hundred fifty-one thousand, five hundred forty".