2197049472 has 72 divisors (see below), whose sum is σ = 6326820045. Its totient is φ = 731819520.

The previous prime is 2197049471. The next prime is 2197049549. The reversal of 2197049472 is 2749407912.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

2197049472 is a `hidden beast` number, since 2 + 1 + 97 + 0 + 494 + 72 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2192486976 + 4562496 = 46824^2 + 2136^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=33144.

It is not an unprimeable number, because it can be changed into a prime (2197049471) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1590222 + ... + 1591602.

Almost surely, 2^2197049472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2197049472

2197049472 is an abundant number, since it is smaller than the sum of its proper divisors (4129770573).

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

2197049472 is an frugal number, since it uses more digits than its factorization.

2197049472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782 (or 1386 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 2197049472 is about 46872.6943112939. The cubic root of 2197049472 is about 1300.0097577177.

The spelling of 2197049472 in words is "two billion, one hundred ninety-seven million, forty-nine thousand, four hundred seventy-two".