2261620108 has 48 divisors (see below), whose sum is σ = 4400250624. Its totient is φ = 1008469440.

The previous prime is 2261620091. The next prime is 2261620121. The reversal of 2261620108 is 8010261622.

It is a super-2 number, since 2×2261620108² = 10229851025819863328, which contains 22 as substring.

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, 773866 + ... + 776782.

It is an arithmetic number, because the mean of its divisors is an integer number (91671888).

Almost surely, 2^2261620108 is an apocalyptic number.

It is an amenable number.

2261620108 is a deficient number, since it is larger than the sum of its proper divisors (2138630516).

2261620108 is a wasteful number, since it uses less digits than its factorization.

2261620108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3262 (or 3260 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2261620108 is about 47556.4938573062. The cubic root of 2261620108 is about 1312.6226247093.

It can be divided in two parts, 22616 and 20108, that added together give a palindrome (42724).

The spelling of 2261620108 in words is "two billion, two hundred sixty-one million, six hundred twenty thousand, one hundred eight".