2261511298 has 16 divisors (see below), whose sum is σ = 3483459936. Its totient is φ = 1100544480.

The previous prime is 2261511289. The next prime is 2261511331. The reversal of 2261511298 is 8921151622.

It is a super-2 number, since 2×2261511298² = 10228866701963289608, which contains 22 as substring.

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, 22123 + ... + 70798.

It is an arithmetic number, because the mean of its divisors is an integer number (217716246).

Almost surely, 2^2261511298 is an apocalyptic number.

2261511298 is a deficient number, since it is larger than the sum of its proper divisors (1221948638).

2261511298 is a wasteful number, since it uses less digits than its factorization.

2261511298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93249.

The product of its digits is 17280, while the sum is 37.

The square root of 2261511298 is about 47555.3498357440. The cubic root of 2261511298 is about 1312.6015736115.

The spelling of 2261511298 in words is "two billion, two hundred sixty-one million, five hundred eleven thousand, two hundred ninety-eight".