2215022252305 has 16 divisors (see below), whose sum is σ = 2708761187664. Its totient is φ = 1738209208320.

The previous prime is 2215022252297. The next prime is 2215022252327. The reversal of 2215022252305 is 5032522205122.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5259730576 + 2209762521729 = 72524^2 + 1486527^2 .

It is not a de Polignac number, because 2215022252305 - 2³ = 2215022252297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336685 + ... + 2131525.

It is an arithmetic number, because the mean of its divisors is an integer number (169297574229).

Almost surely, 2^{2215022252305} is an apocalyptic number.

It is an amenable number.

2215022252305 is a deficient number, since it is larger than the sum of its proper divisors (493738935359).

2215022252305 is a wasteful number, since it uses less digits than its factorization.

2215022252305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799556.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 2215022252305 its reverse (5032522205122), we get a palindrome (7247544457427).

The spelling of 2215022252305 in words is "two trillion, two hundred fifteen billion, twenty-two million, two hundred fifty-two thousand, three hundred five".