2217153538 has 8 divisors (see below), whose sum is σ = 3329383680. Its totient is φ = 1107358980.

The previous prime is 2217153509. The next prime is 2217153557. The reversal of 2217153538 is 8353517122.

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

It is a super-2 number, since 2×2217153538² = 9831539622131834888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2217153497 and 2217153506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606618 + ... + 610261.

It is an arithmetic number, because the mean of its divisors is an integer number (416172960).

Almost surely, 2^2217153538 is an apocalyptic number.

2217153538 is a deficient number, since it is larger than the sum of its proper divisors (1112230142).

2217153538 is a wasteful number, since it uses less digits than its factorization.

2217153538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217792.

The product of its digits is 50400, while the sum is 37.

The square root of 2217153538 is about 47086.6598730468. The cubic root of 2217153538 is about 1303.9629636971.

The spelling of 2217153538 in words is "two billion, two hundred seventeen million, one hundred fifty-three thousand, five hundred thirty-eight".