2249236180 has 12 divisors (see below), whose sum is σ = 4723396020. Its totient is φ = 899694464.

The previous prime is 2249236177. The next prime is 2249236189. The reversal of 2249236180 is 816329422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 300190276 + 1949045904 = 17326^2 + 44148^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249236189) 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 3 ways as a sum of consecutive naturals, for example, 56230885 + ... + 56230924.

It is an arithmetic number, because the mean of its divisors is an integer number (393616335).

Almost surely, 2^2249236180 is an apocalyptic number.

2249236180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2249236180 is an abundant number, since it is smaller than the sum of its proper divisors (2474159840).

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

2249236180 is a wasteful number, since it uses less digits than its factorization.

2249236180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112461818 (or 112461816 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 2249236180 is about 47426.1128493576. The cubic root of 2249236180 is about 1310.2224007154. Note that the first 3 decimals are identical.

The spelling of 2249236180 in words is "two billion, two hundred forty-nine million, two hundred thirty-six thousand, one hundred eighty".