222002808177672 has 48 divisors (see below), whose sum is σ = 601472571205740. Its totient is φ = 73974478739328.

The previous prime is 222002808177599. The next prime is 222002808177673. The reversal of 222002808177672 is 276771808200222.

222002808177672 is a `hidden beast` number, since 2 + 220 + 0 + 280 + 8 + 1 + 7 + 76 + 72 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 220135797476676 + 1867010700996 = 14836974^2 + 1366386^2 .

It is not an unprimeable number, because it can be changed into a prime (222002808177673) 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, 550991383 + ... + 551394150.

Almost surely, 2^{222002808177672} is an apocalyptic number.

It is an amenable number.

222002808177672 is an abundant number, since it is smaller than the sum of its proper divisors (379469763028068).

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

222002808177672 is a wasteful number, since it uses less digits than its factorization.

222002808177672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102388342 (or 1102388335 counting only the distinct ones).

The product of its (nonzero) digits is 4214784, while the sum is 54.

The spelling of 222002808177672 in words is "two hundred twenty-two trillion, two billion, eight hundred eight million, one hundred seventy-seven thousand, six hundred seventy-two".