2115226205 has 32 divisors (see below), whose sum is σ = 2708640000. Its totient is φ = 1581202944.

The previous prime is 2115226189. The next prime is 2115226229. The reversal of 2115226205 is 5026225112.

It is a cyclic number.

It is not a de Polignac number, because 2115226205 - 2⁴ = 2115226189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3717161 + ... + 3717729.

It is an arithmetic number, because the mean of its divisors is an integer number (84645000).

Almost surely, 2^2115226205 is an apocalyptic number.

It is an amenable number.

2115226205 is a deficient number, since it is larger than the sum of its proper divisors (593413795).

2115226205 is a wasteful number, since it uses less digits than its factorization.

2115226205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2115226205 is about 45991.5884157092. The cubic root of 2115226205 is about 1283.6666927696. Note that the first 4 decimals are identical.

The spelling of 2115226205 in words is "two billion, one hundred fifteen million, two hundred twenty-six thousand, two hundred five".