2217890674357 has 4 divisors (see below), whose sum is σ = 2217895988256. Its totient is φ = 2217885360460.

The previous prime is 2217890674283. The next prime is 2217890674369. The reversal of 2217890674357 is 7534760987122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2217890674357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2217890674295 and 2217890674304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2217890674397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1972033 + ... + 2885254.

It is an arithmetic number, because the mean of its divisors is an integer number (554473997064).

It is a 1-persistent number, because it is pandigital, but 2⋅2217890674357 = 4435781348714 is not.

Almost surely, 2^{2217890674357} is an apocalyptic number.

It is an amenable number.

2217890674357 is a deficient number, since it is larger than the sum of its proper divisors (5313899).

2217890674357 is an equidigital number, since it uses as much as digits as its factorization.

2217890674357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5313898.

The product of its (nonzero) digits is 35562240, while the sum is 61.

The spelling of 2217890674357 in words is "two trillion, two hundred seventeen billion, eight hundred ninety million, six hundred seventy-four thousand, three hundred fifty-seven".