2215551132 has 36 divisors (see below), whose sum is σ = 5605905760. Its totient is φ = 737793792.

The previous prime is 2215551131. The next prime is 2215551139. The reversal of 2215551132 is 2311555122.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 2215551096 and 2215551105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215551131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7788 + ... + 67020.

Almost surely, 2^2215551132 is an apocalyptic number.

It is an amenable number.

2215551132 is an abundant number, since it is smaller than the sum of its proper divisors (3390354628).

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

2215551132 is a wasteful number, since it uses less digits than its factorization.

2215551132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60282 (or 60277 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 2215551132 is about 47069.6412988244. The cubic root of 2215551132 is about 1303.6487497557.

The spelling of 2215551132 in words is "two billion, two hundred fifteen million, five hundred fifty-one thousand, one hundred thirty-two".