2645831022 has 32 divisors (see below), whose sum is σ = 5435451648. Its totient is φ = 858135936.

The previous prime is 2645831021. The next prime is 2645831087. The reversal of 2645831022 is 2201385462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645831021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48358 + ... + 87350.

It is an arithmetic number, because the mean of its divisors is an integer number (169857864).

Almost surely, 2^2645831022 is an apocalyptic number.

2645831022 is an abundant number, since it is smaller than the sum of its proper divisors (2789620626).

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

2645831022 is a wasteful number, since it uses less digits than its factorization.

2645831022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39304.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 2645831022 is about 51437.6420727078. The cubic root of 2645831022 is about 1383.1014439710.

The spelling of 2645831022 in words is "two billion, six hundred forty-five million, eight hundred thirty-one thousand, twenty-two".