222898660993 has 8 divisors (see below), whose sum is σ = 225412216200. Its totient is φ = 220385307648.

The previous prime is 222898660991. The next prime is 222898661021. The reversal of 222898660993 is 399066898222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16325683984 + 206572977009 = 127772^2 + 454503^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222898660993 - 2¹ = 222898660991 is a prime.

It is a super-4 number, since 4×222898660993⁴ (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222898660991) 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, 3912013 + ... + 3968581.

It is an arithmetic number, because the mean of its divisors is an integer number (28176527025).

Almost surely, 2^222898660993 is an apocalyptic number.

It is an amenable number.

222898660993 is a deficient number, since it is larger than the sum of its proper divisors (2513555207).

222898660993 is an equidigital number, since it uses as much as digits as its factorization.

222898660993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100931.

The product of its (nonzero) digits is 40310784, while the sum is 64.

The spelling of 222898660993 in words is "two hundred twenty-two billion, eight hundred ninety-eight million, six hundred sixty thousand, nine hundred ninety-three".