2297189040 has 80 divisors (see below), whose sum is σ = 7126338528. Its totient is φ = 612149248.

The previous prime is 2297189033. The next prime is 2297189071. The reversal of 2297189040 is 409817922.

It is a Cunningham number, because it is equal to 47929²-1.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×2297189040³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2297188983 and 2297189001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476884 + ... + 481676.

Almost surely, 2^2297189040 is an apocalyptic number.

2297189040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2297189040 is an abundant number, since it is smaller than the sum of its proper divisors (4829149488).

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

2297189040 is a wasteful number, since it uses less digits than its factorization.

2297189040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6806 (or 6800 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 2297189040 is about 47928.9999895679. Note that the first 4 decimals coincide. The cubic root of 2297189040 is about 1319.4681512114.

The spelling of 2297189040 in words is "two billion, two hundred ninety-seven million, one hundred eighty-nine thousand, forty".