2061222215 has 16 divisors (see below), whose sum is σ = 2665887168. Its totient is φ = 1520902656.

The previous prime is 2061222203. The next prime is 2061222221. The reversal of 2061222215 is 5122221602.

It is not a de Polignac number, because 2061222215 - 2¹² = 2061218119 is a prime.

It is a Duffinian number.

It is a congruent 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, 72527 + ... + 96863.

It is an arithmetic number, because the mean of its divisors is an integer number (166617948).

Almost surely, 2^2061222215 is an apocalyptic number.

2061222215 is a deficient number, since it is larger than the sum of its proper divisors (604664953).

2061222215 is a wasteful number, since it uses less digits than its factorization.

2061222215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25658.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2061222215 is about 45400.6851820542. The cubic root of 2061222215 is about 1272.6479183927.

Adding to 2061222215 its reverse (5122221602), we get a palindrome (7183443817).

The spelling of 2061222215 in words is "two billion, sixty-one million, two hundred twenty-two thousand, two hundred fifteen".