2210917920 has 48 divisors (see below), whose sum is σ = 6964392960. Its totient is φ = 589577984.

The previous prime is 2210917913. The next prime is 2210917927. The reversal of 2210917920 is 297190122.

It is an interprime number because it is at equal distance from previous prime (2210917913) and next prime (2210917927).

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (2210917927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2302560 + ... + 2303519.

It is an arithmetic number, because the mean of its divisors is an integer number (145091520).

Almost surely, 2^2210917920 is an apocalyptic number.

2210917920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210917920 is an abundant number, since it is smaller than the sum of its proper divisors (4753475040).

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

2210917920 is a wasteful number, since it uses less digits than its factorization.

2210917920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4606097 (or 4606089 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 2210917920 is about 47020.3989774651. The cubic root of 2210917920 is about 1302.7393753750.

The spelling of 2210917920 in words is "two billion, two hundred ten million, nine hundred seventeen thousand, nine hundred twenty".