2202054205545 has 12 divisors (see below), whose sum is σ = 3816893956356. Its totient is φ = 1174428909600.

The previous prime is 2202054205541. The next prime is 2202054205613. The reversal of 2202054205545 is 5455024502022.

2202054205545 is a `hidden beast` number, since 2 + 2 + 0 + 20 + 542 + 0 + 55 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 466711684569 + 1735342520976 = 683163^2 + 1317324^2 .

It is not a de Polignac number, because 2202054205545 - 2² = 2202054205541 is a prime.

It is a super-2 number, since 2×2202054205545² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2202054205541) 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, 24467268906 + ... + 24467268995.

It is an arithmetic number, because the mean of its divisors is an integer number (318074496363).

Almost surely, 2^{2202054205545} is an apocalyptic number.

It is an amenable number.

2202054205545 is a deficient number, since it is larger than the sum of its proper divisors (1614839750811).

2202054205545 is a wasteful number, since it uses less digits than its factorization.

2202054205545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48934537912 (or 48934537909 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

Adding to 2202054205545 its reverse (5455024502022), we get a palindrome (7657078707567).

The spelling of 2202054205545 in words is "two trillion, two hundred two billion, fifty-four million, two hundred five thousand, five hundred forty-five".