2197959192 has 192 divisors, whose sum is σ = 7228284000. Its totient is φ = 614718720.

The previous prime is 2197959157. The next prime is 2197959193. The reversal of 2197959192 is 2919597912.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197959193) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 336534 + ... + 343002.

Almost surely, 2^2197959192 is an apocalyptic number.

2197959192 is a gapful number since it is divisible by the number (22) 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 2197959192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3614142000).

2197959192 is an abundant number, since it is smaller than the sum of its proper divisors (5030324808).

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

2197959192 is a wasteful number, since it uses less digits than its factorization.

2197959192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6519 (or 6498 counting only the distinct ones).

The product of its digits is 918540, while the sum is 54.

The square root of 2197959192 is about 46882.3974642936. The cubic root of 2197959192 is about 1300.1891622174.

The spelling of 2197959192 in words is "two billion, one hundred ninety-seven million, nine hundred fifty-nine thousand, one hundred ninety-two".