2941221800 has 48 divisors (see below), whose sum is σ = 7460013600. Its totient is φ = 1069534400.

The previous prime is 2941221779. The next prime is 2941221809. The reversal of 2941221800 is 81221492.

It is not an unprimeable number, because it can be changed into a prime (2941221809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 666260 + ... + 670659.

It is an arithmetic number, because the mean of its divisors is an integer number (155416950).

Almost surely, 2^2941221800 is an apocalyptic number.

2941221800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2941221800 is an abundant number, since it is smaller than the sum of its proper divisors (4518791800).

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

2941221800 is a wasteful number, since it uses less digits than its factorization.

2941221800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336946 (or 1336937 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 2941221800 is about 54233.0323695808. The cubic root of 2941221800 is about 1432.7681721152.

The spelling of 2941221800 in words is "two billion, nine hundred forty-one million, two hundred twenty-one thousand, eight hundred".