2122205544 has 48 divisors (see below), whose sum is σ = 5751738720. Its totient is φ = 706897440.

The previous prime is 2122205543. The next prime is 2122205567. The reversal of 2122205544 is 4455022212.

It is not an unprimeable number, because it can be changed into a prime (2122205543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99039 + ... + 118545.

It is an arithmetic number, because the mean of its divisors is an integer number (119827890).

Almost surely, 2^2122205544 is an apocalyptic number.

2122205544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2122205544 is an abundant number, since it is smaller than the sum of its proper divisors (3629533176).

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

2122205544 is a wasteful number, since it uses less digits than its factorization.

2122205544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21030 (or 21023 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 2122205544 is about 46067.4021841909. The cubic root of 2122205544 is about 1285.0769925657.

Adding to 2122205544 its reverse (4455022212), we get a palindrome (6577227756).

The spelling of 2122205544 in words is "two billion, one hundred twenty-two million, two hundred five thousand, five hundred forty-four".