22330012340 has 24 divisors (see below), whose sum is σ = 47535399240. Its totient is φ = 8809648128.

The previous prime is 22330012303. The next prime is 22330012343. The reversal of 22330012340 is 4321003322.

It can be written as a sum of positive squares in 4 ways, for example, as 3754503076 + 18575509264 = 61274^2 + 136292^2 .

It is a super-2 number, since 2×22330012340² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22330012343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7645805 + ... + 7648724.

It is an arithmetic number, because the mean of its divisors is an integer number (1980641635).

Almost surely, 2^22330012340 is an apocalyptic number.

22330012340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22330012340 is an abundant number, since it is smaller than the sum of its proper divisors (25205386900).

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

22330012340 is a wasteful number, since it uses less digits than its factorization.

22330012340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15294611 (or 15294609 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 22330012340 its reverse (4321003322), we get a palindrome (26651015662).

The spelling of 22330012340 in words is "twenty-two billion, three hundred thirty million, twelve thousand, three hundred forty".