2197570242 has 16 divisors (see below), whose sum is σ = 5023017792. Its totient is φ = 627877200.

The previous prime is 2197570241. The next prime is 2197570261. The reversal of 2197570242 is 2420757912.

It is a self number, because there is not a number n which added to its sum of digits gives 2197570242.

It is not an unprimeable number, because it can be changed into a prime (2197570241) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 26161509 + ... + 26161592.

It is an arithmetic number, because the mean of its divisors is an integer number (313938612).

Almost surely, 2^2197570242 is an apocalyptic number.

2197570242 is an abundant number, since it is smaller than the sum of its proper divisors (2825447550).

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

2197570242 is a wasteful number, since it uses less digits than its factorization.

2197570242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52323113.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 2197570242 is about 46878.2491353933. The cubic root of 2197570242 is about 1300.1124640376.

The spelling of 2197570242 in words is "two billion, one hundred ninety-seven million, five hundred seventy thousand, two hundred forty-two".