2322661540 has 24 divisors (see below), whose sum is σ = 4878655992. Its totient is φ = 928861440.

The previous prime is 2322661531. The next prime is 2322661573. The reversal of 2322661540 is 451662232.

It can be written as a sum of positive squares in 4 ways, for example, as 281971264 + 2040690276 = 16792^2 + 45174^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109912 + ... + 129328.

It is an arithmetic number, because the mean of its divisors is an integer number (203277333).

Almost surely, 2^2322661540 is an apocalyptic number.

2322661540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2322661540 is an abundant number, since it is smaller than the sum of its proper divisors (2555994452).

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

2322661540 is a wasteful number, since it uses less digits than its factorization.

2322661540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25407 (or 25405 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2322661540 is about 48193.9990040254. Note that the first 3 decimals coincide. The cubic root of 2322661540 is about 1324.3272322115.

The spelling of 2322661540 in words is "two billion, three hundred twenty-two million, six hundred sixty-one thousand, five hundred forty".