2215620132 has 48 divisors (see below), whose sum is σ = 5971516992. Its totient is φ = 631905280.

The previous prime is 2215620073. The next prime is 2215620137. The reversal of 2215620132 is 2310265122.

It is not an unprimeable number, because it can be changed into a prime (2215620137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491433 + ... + 495920.

It is an arithmetic number, because the mean of its divisors is an integer number (124406604).

Almost surely, 2^2215620132 is an apocalyptic number.

2215620132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2215620132 is an abundant number, since it is smaller than the sum of its proper divisors (3755896860).

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

2215620132 is a wasteful number, since it uses less digits than its factorization.

2215620132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987388 (or 987386 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2215620132 is about 47070.3742496275. The cubic root of 2215620132 is about 1303.6622830068.

Adding to 2215620132 its reverse (2310265122), we get a palindrome (4525885254).

The spelling of 2215620132 in words is "two billion, two hundred fifteen million, six hundred twenty thousand, one hundred thirty-two".