2261118002 has 32 divisors (see below), whose sum is σ = 3987494784. Its totient is φ = 948038400.

The previous prime is 2261117993. The next prime is 2261118019. The reversal of 2261118002 is 2008111622.

It is a super-2 number, since 2×2261118002² = 10225309237936944008, 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, 689627 + ... + 692897.

It is an arithmetic number, because the mean of its divisors is an integer number (124609212).

Almost surely, 2^2261118002 is an apocalyptic number.

2261118002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2261118002 is a deficient number, since it is larger than the sum of its proper divisors (1726376782).

2261118002 is a wasteful number, since it uses less digits than its factorization.

2261118002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5714.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 2261118002 is about 47551.2145165610. The cubic root of 2261118002 is about 1312.5254783505.

Adding to 2261118002 its reverse (2008111622), we get a palindrome (4269229624).

The spelling of 2261118002 in words is "two billion, two hundred sixty-one million, one hundred eighteen thousand, two".