2261091098 has 8 divisors (see below), whose sum is σ = 3876156192. Its totient is φ = 969039036.

The previous prime is 2261091073. The next prime is 2261091101. The reversal of 2261091098 is 8901901622.

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

It is a super-2 number, since 2×2261091098² = 10225065906909691208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80753240 + ... + 80753267.

It is an arithmetic number, because the mean of its divisors is an integer number (484519524).

Almost surely, 2^2261091098 is an apocalyptic number.

2261091098 is a deficient number, since it is larger than the sum of its proper divisors (1615065094).

2261091098 is a wasteful number, since it uses less digits than its factorization.

2261091098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161506516.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 2261091098 is about 47550.9316207369. The cubic root of 2261091098 is about 1312.5202726181.

The spelling of 2261091098 in words is "two billion, two hundred sixty-one million, ninety-one thousand, ninety-eight".