2211940000 has 60 divisors (see below), whose sum is σ = 5441753394. Its totient is φ = 884768000.

The previous prime is 2211939979. The next prime is 2211940009. The reversal of 2211940000 is 491122.

It can be written as a sum of positive squares in 5 ways, for example, as 100721296 + 2111218704 = 10036^2 + 45948^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2211940000.

It is not an unprimeable number, because it can be changed into a prime (2211940009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 35299 + ... + 75298.

Almost surely, 2^2211940000 is an apocalyptic number.

2211940000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211940000 is an abundant number, since it is smaller than the sum of its proper divisors (3229813394).

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

2211940000 is an equidigital number, since it uses as much as digits as its factorization.

2211940000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110627 (or 110604 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 2211940000 is about 47031.2661960105. The cubic root of 2211940000 is about 1302.9400912137.

The spelling of 2211940000 in words is "two billion, two hundred eleven million, nine hundred forty thousand".