22000205415 has 16 divisors (see below), whose sum is σ = 35205120000. Its totient is φ = 11731845792.

The previous prime is 22000205413. The next prime is 22000205441. The reversal of 22000205415 is 51450200022.

It is a happy number.

It is not a de Polignac number, because 22000205415 - 2¹ = 22000205413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22000205391 and 22000205400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000205413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18586 + ... + 210584.

It is an arithmetic number, because the mean of its divisors is an integer number (2200320000).

Almost surely, 2^22000205415 is an apocalyptic number.

22000205415 is a deficient number, since it is larger than the sum of its proper divisors (13204914585).

22000205415 is a wasteful number, since it uses less digits than its factorization.

22000205415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199646.

The product of its (nonzero) digits is 800, while the sum is 21.

Adding to 22000205415 its reverse (51450200022), we get a palindrome (73450405437).

The spelling of 22000205415 in words is "twenty-two billion, two hundred five thousand, four hundred fifteen".