22220245415 has 16 divisors (see below), whose sum is σ = 27191015712. Its totient is φ = 17428475904.

The previous prime is 22220245367. The next prime is 22220245427. The reversal of 22220245415 is 51454202222.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22220245415 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162194 + ... + 265983.

It is an arithmetic number, because the mean of its divisors is an integer number (1699438482).

Almost surely, 2^22220245415 is an apocalyptic number.

22220245415 is a deficient number, since it is larger than the sum of its proper divisors (4970770297).

22220245415 is a wasteful number, since it uses less digits than its factorization.

22220245415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428386.

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 22220245415 its reverse (51454202222), we get a palindrome (73674447637).

The spelling of 22220245415 in words is "twenty-two billion, two hundred twenty million, two hundred forty-five thousand, four hundred fifteen".