22211403345 has 48 divisors (see below), whose sum is σ = 39547452672. Its totient is φ = 11525310720.

The previous prime is 22211403341. The next prime is 22211403349. The reversal of 22211403345 is 54330411222.

22211403345 is a `hidden beast` number, since 2 + 2 + 211 + 403 + 3 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (22211403341) and next prime (22211403349).

It is not a de Polignac number, because 22211403345 - 2² = 22211403341 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22211403341) 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 47 ways as a sum of consecutive naturals, for example, 660714 + ... + 693516.

It is an arithmetic number, because the mean of its divisors is an integer number (823905264).

Almost surely, 2^22211403345 is an apocalyptic number.

It is an amenable number.

22211403345 is a deficient number, since it is larger than the sum of its proper divisors (17336049327).

22211403345 is a wasteful number, since it uses less digits than its factorization.

22211403345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33222 (or 33219 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 22211403345 its reverse (54330411222), we get a palindrome (76541814567).

The spelling of 22211403345 in words is "twenty-two billion, two hundred eleven million, four hundred three thousand, three hundred forty-five".