2219797608 has 96 divisors (see below), whose sum is σ = 6469709760. Its totient is φ = 632835840.

The previous prime is 2219797583. The next prime is 2219797609. The reversal of 2219797608 is 8067979122.

It is not an unprimeable number, because it can be changed into a prime (2219797609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 610885 + ... + 614507.

It is an arithmetic number, because the mean of its divisors is an integer number (67392810).

Almost surely, 2^2219797608 is an apocalyptic number.

2219797608 is a gapful number since it is divisible by the number (28) 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 2219797608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3234854880).

2219797608 is an abundant number, since it is smaller than the sum of its proper divisors (4249912152).

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

2219797608 is a wasteful number, since it uses less digits than its factorization.

2219797608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167 (or 4156 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 2219797608 is about 47114.7281431189. The cubic root of 2219797608 is about 1304.4811054878.

It can be divided in two parts, 22197 and 97608, that added together give a triangular number (119805 = T₄₈₉).

The spelling of 2219797608 in words is "two billion, two hundred nineteen million, seven hundred ninety-seven thousand, six hundred eight".