2217273136 has 40 divisors (see below), whose sum is σ = 4638991280. Its totient is φ = 1020577536.

The previous prime is 2217273103. The next prime is 2217273139. The reversal of 2217273136 is 6313727122.

It is not an unprimeable number, because it can be changed into a prime (2217273139) 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, 63295 + ... + 91873.

It is an arithmetic number, because the mean of its divisors is an integer number (115974782).

Almost surely, 2^2217273136 is an apocalyptic number.

2217273136 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2217273136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2319495640).

2217273136 is an abundant number, since it is smaller than the sum of its proper divisors (2421718144).

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

2217273136 is a wasteful number, since it uses less digits than its factorization.

2217273136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28973 (or 28967 counting only the distinct ones).

The product of its digits is 21168, while the sum is 34.

The square root of 2217273136 is about 47087.9298334509. The cubic root of 2217273136 is about 1303.9864094585.

The spelling of 2217273136 in words is "two billion, two hundred seventeen million, two hundred seventy-three thousand, one hundred thirty-six".