2217452620 has 12 divisors (see below), whose sum is σ = 4656650544. Its totient is φ = 886981040.

The previous prime is 2217452597. The next prime is 2217452623. The reversal of 2217452620 is 262547122.

It is a super-2 number, since 2×2217452620² = 9834192243889728800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2217452623) 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, 55436296 + ... + 55436335.

It is an arithmetic number, because the mean of its divisors is an integer number (388054212).

Almost surely, 2^2217452620 is an apocalyptic number.

2217452620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2217452620 is an abundant number, since it is smaller than the sum of its proper divisors (2439197924).

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

2217452620 is a wasteful number, since it uses less digits than its factorization.

2217452620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110872640 (or 110872638 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 2217452620 is about 47089.8356336057. The cubic root of 2217452620 is about 1304.0215935739.

Adding to 2217452620 its reverse (262547122), we get a palindrome (2479999742).

The spelling of 2217452620 in words is "two billion, two hundred seventeen million, four hundred fifty-two thousand, six hundred twenty".