2291158070 has 16 divisors (see below), whose sum is σ = 4127008320. Its totient is φ = 915813504.

The previous prime is 2291158049. The next prime is 2291158097. The reversal of 2291158070 is 708511922.

It is a super-2 number, since 2×2291158070² = 10498810603452249800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2291158070.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66275 + ... + 94734.

It is an arithmetic number, because the mean of its divisors is an integer number (257938020).

Almost surely, 2^2291158070 is an apocalyptic number.

2291158070 is a deficient number, since it is larger than the sum of its proper divisors (1835850250).

2291158070 is a wasteful number, since it uses less digits than its factorization.

2291158070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162439.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 2291158070 is about 47866.0429741168. The cubic root of 2291158070 is about 1318.3124420939.

Adding to 2291158070 its reverse (708511922), we get a palindrome (2999669992).

The spelling of 2291158070 in words is "two billion, two hundred ninety-one million, one hundred fifty-eight thousand, seventy".