22004433340 has 24 divisors (see below), whose sum is σ = 46237100112. Its totient is φ = 8796480000.

The previous prime is 22004433331. The next prime is 22004433343. The reversal of 22004433340 is 4333440022.

It is a super-2 number, since 2×22004433340² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22004433343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296661 + ... + 363340.

It is an arithmetic number, because the mean of its divisors is an integer number (1926545838).

Almost surely, 2^22004433340 is an apocalyptic number.

22004433340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22004433340 is an abundant number, since it is smaller than the sum of its proper divisors (24232666772).

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

22004433340 is a wasteful number, since it uses less digits than its factorization.

22004433340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661677 (or 661675 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 22004433340 its reverse (4333440022), we get a palindrome (26337873362).

The spelling of 22004433340 in words is "twenty-two billion, four million, four hundred thirty-three thousand, three hundred forty".