2122945458 has 16 divisors (see below), whose sum is σ = 4252461120. Its totient is φ = 706553456.

The previous prime is 2122945457. The next prime is 2122945469. The reversal of 2122945458 is 8545492212.

It is not an unprimeable number, because it can be changed into a prime (2122945457) 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 7 ways as a sum of consecutive naturals, for example, 269553 + ... + 277316.

It is an arithmetic number, because the mean of its divisors is an integer number (265778820).

Almost surely, 2^2122945458 is an apocalyptic number.

2122945458 is an abundant number, since it is smaller than the sum of its proper divisors (2129515662).

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

2122945458 is a wasteful number, since it uses less digits than its factorization.

2122945458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547521.

The product of its digits is 230400, while the sum is 42.

The square root of 2122945458 is about 46075.4322605876. The cubic root of 2122945458 is about 1285.2263239969.

The spelling of 2122945458 in words is "two billion, one hundred twenty-two million, nine hundred forty-five thousand, four hundred fifty-eight".