2198995240 has 32 divisors (see below), whose sum is σ = 5328335880. Its totient is φ = 811936512.

The previous prime is 2198995231. The next prime is 2198995241. The reversal of 2198995240 is 425998912.

It can be written as a sum of positive squares in 4 ways, for example, as 1358807044 + 840188196 = 36862^2 + 28986^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2198995241) 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, 2113899 + ... + 2114938.

Almost surely, 2^2198995240 is an apocalyptic number.

2198995240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2198995240 is an abundant number, since it is smaller than the sum of its proper divisors (3129340640).

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

2198995240 is a wasteful number, since it uses less digits than its factorization.

2198995240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4228861 (or 4228857 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 2198995240 is about 46893.4455974393. The cubic root of 2198995240 is about 1300.3934193889.

The spelling of 2198995240 in words is "two billion, one hundred ninety-eight million, nine hundred ninety-five thousand, two hundred forty".