2206455602128 has 40 divisors (see below), whose sum is σ = 4387461682248. Its totient is φ = 1074511306752.

The previous prime is 2206455602081. The next prime is 2206455602129. The reversal of 2206455602128 is 8212065546022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 762247732624 + 1444207869504 = 873068^2 + 1201752^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206455602129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9380001 + ... + 9612352.

Almost surely, 2^{2206455602128} is an apocalyptic number.

It is an amenable number.

2206455602128 is a deficient number, since it is larger than the sum of its proper divisors (2181006080120).

2206455602128 is a wasteful number, since it uses less digits than its factorization.

2206455602128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18992551 (or 18992545 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 2206455602128 in words is "two trillion, two hundred six billion, four hundred fifty-five million, six hundred two thousand, one hundred twenty-eight".