2198492910 has 48 divisors (see below), whose sum is σ = 5718851424. Its totient is φ = 585980736.

The previous prime is 2198492867. The next prime is 2198492911. The reversal of 2198492910 is 192948912.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198492911) 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, 235084 + ... + 244256.

It is an arithmetic number, because the mean of its divisors is an integer number (119142738).

Almost surely, 2^2198492910 is an apocalyptic number.

2198492910 is an abundant number, since it is smaller than the sum of its proper divisors (3520358514).

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

2198492910 is a wasteful number, since it uses less digits than its factorization.

2198492910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11849 (or 11846 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 2198492910 is about 46888.0892125068. The cubic root of 2198492910 is about 1300.2943928940.

The spelling of 2198492910 in words is "two billion, one hundred ninety-eight million, four hundred ninety-two thousand, nine hundred ten".