2211677140 has 48 divisors (see below), whose sum is σ = 4898013120. Its totient is φ = 836559360.

The previous prime is 2211677137. The next prime is 2211677147. The reversal of 2211677140 is 417761122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211677147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211884 + ... + 222076.

It is an arithmetic number, because the mean of its divisors is an integer number (102041940).

Almost surely, 2^2211677140 is an apocalyptic number.

2211677140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2211677140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2449006560).

2211677140 is an abundant number, since it is smaller than the sum of its proper divisors (2686335980).

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

2211677140 is a wasteful number, since it uses less digits than its factorization.

2211677140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10792 (or 10790 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 2211677140 is about 47028.4715890279. The cubic root of 2211677140 is about 1302.8884767335. Note that the first 3 decimals are identical.

The spelling of 2211677140 in words is "two billion, two hundred eleven million, six hundred seventy-seven thousand, one hundred forty".