2061228815 has 8 divisors (see below), whose sum is σ = 2477058288. Its totient is φ = 1646593920.

The previous prime is 2061228797. The next prime is 2061228821. The reversal of 2061228815 is 5188221602.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2061228815 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 7 ways as a sum of consecutive naturals, for example, 294842 + ... + 301751.

It is an arithmetic number, because the mean of its divisors is an integer number (309632286).

Almost surely, 2^2061228815 is an apocalyptic number.

2061228815 is a deficient number, since it is larger than the sum of its proper divisors (415829473).

2061228815 is an equidigital number, since it uses as much as digits as its factorization.

2061228815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597289.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 2061228815 is about 45400.7578681237. The cubic root of 2061228815 is about 1272.6492767239.

The spelling of 2061228815 in words is "two billion, sixty-one million, two hundred twenty-eight thousand, eight hundred fifteen".