2258122782 has 16 divisors (see below), whose sum is σ = 4543954560. Its totient is φ = 748089432.

The previous prime is 2258122781. The next prime is 2258122799. The reversal of 2258122782 is 2872218522.

It is a super-3 number, since 3×2258122782³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2258122782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2258122781) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1153482 + ... + 1155437.

It is an arithmetic number, because the mean of its divisors is an integer number (283997160).

Almost surely, 2^2258122782 is an apocalyptic number.

2258122782 is an abundant number, since it is smaller than the sum of its proper divisors (2285831778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2258122782 is a wasteful number, since it uses less digits than its factorization.

2258122782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309087.

The product of its digits is 71680, while the sum is 39.

The square root of 2258122782 is about 47519.7094056771. The cubic root of 2258122782 is about 1311.9456708213.

The spelling of 2258122782 in words is "two billion, two hundred fifty-eight million, one hundred twenty-two thousand, seven hundred eighty-two".