222984758061999 has 10 divisors (see below), whose sum is σ = 333100687969280. Its totient is φ = 148656505374612.

The previous prime is 222984758061913. The next prime is 222984758062039. The reversal of 222984758061999 is 999160857489222.

222984758061999 is a `hidden beast` number, since 2 + 2 + 2 + 9 + 8 + 475 + 80 + 61 + 9 + 9 + 9 = 666.

It is not a de Polignac number, because 222984758061999 - 2¹⁶ = 222984757996463 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (81), and also a Moran number because the ratio is a prime number: 2752898247679 = 222984758061999 / (2 + 2 + 2 + 9 + 8 + 4 + 7 + 5 + 8 + 0 + 6 + 1 + 9 + 9 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222984758062999) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1376449123759 + ... + 1376449123920.

It is an arithmetic number, because the mean of its divisors is an integer number (33310068796928).

Almost surely, 2^{222984758061999} is an apocalyptic number.

222984758061999 is a deficient number, since it is larger than the sum of its proper divisors (110115929907281).

222984758061999 is an equidigital number, since it uses as much as digits as its factorization.

222984758061999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752898247691 (or 2752898247682 counting only the distinct ones).

The product of its (nonzero) digits is 2821754880, while the sum is 81.

The spelling of 222984758061999 in words is "two hundred twenty-two trillion, nine hundred eighty-four billion, seven hundred fifty-eight million, sixty-one thousand, nine hundred ninety-nine".