22342403340 has 240 divisors, whose sum is σ = 75616988832. Its totient is φ = 5501343744.

The previous prime is 22342403333. The next prime is 22342403351. The reversal of 22342403340 is 4330424322.

22342403340 is a `hidden beast` number, since 223 + 4 + 2 + 403 + 34 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1451967 + ... + 1467273.

Almost surely, 2^22342403340 is an apocalyptic number.

22342403340 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 22342403340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37808494416).

22342403340 is an abundant number, since it is smaller than the sum of its proper divisors (53274585492).

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

22342403340 is a wasteful number, since it uses less digits than its factorization.

22342403340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15398 (or 15387 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 22342403340 its reverse (4330424322), we get a palindrome (26672827662).

The spelling of 22342403340 in words is "twenty-two billion, three hundred forty-two million, four hundred three thousand, three hundred forty".