1822125258 has 24 divisors (see below), whose sum is σ = 4039752288. Its totient is φ = 593249832.

The previous prime is 1822125257. The next prime is 1822125269. The reversal of 1822125258 is 8525212281.

It is not an unprimeable number, because it can be changed into a prime (1822125257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1176310 + ... + 1177857.

It is an arithmetic number, because the mean of its divisors is an integer number (168323012).

Almost surely, 2^1822125258 is an apocalyptic number.

1822125258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1822125258 is an abundant number, since it is smaller than the sum of its proper divisors (2217627030).

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

1822125258 is a wasteful number, since it uses less digits than its factorization.

1822125258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354218 (or 2354215 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

The square root of 1822125258 is about 42686.3591560583. The cubic root of 1822125258 is about 1221.4042010468.

The spelling of 1822125258 in words is "one billion, eight hundred twenty-two million, one hundred twenty-five thousand, two hundred fifty-eight".