2210855892 has 96 divisors (see below), whose sum is σ = 6210355200. Its totient is φ = 611261280.

The previous prime is 2210855869. The next prime is 2210855893. The reversal of 2210855892 is 2985580122.

It is a super-2 number, since 2×2210855892² = 9775767550382231328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210855893) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118933 + ... + 136259.

It is an arithmetic number, because the mean of its divisors is an integer number (64691200).

Almost surely, 2^2210855892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2210855892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3105177600).

2210855892 is an abundant number, since it is smaller than the sum of its proper divisors (3999499308).

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

2210855892 is a wasteful number, since it uses less digits than its factorization.

2210855892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17386 (or 17370 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 42.

The square root of 2210855892 is about 47019.7393867724. The cubic root of 2210855892 is about 1302.7271923396.

The spelling of 2210855892 in words is "two billion, two hundred ten million, eight hundred fifty-five thousand, eight hundred ninety-two".