2197255970 has 32 divisors (see below), whose sum is σ = 4867769088. Its totient is φ = 695395008.

The previous prime is 2197255961. The next prime is 2197255979. The reversal of 2197255970 is 795527912.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2197255961) and next prime (2197255979).

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2197255979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1206374 + ... + 1208193.

It is an arithmetic number, because the mean of its divisors is an integer number (152117784).

Almost surely, 2^2197255970 is an apocalyptic number.

2197255970 is an abundant number, since it is smaller than the sum of its proper divisors (2670513118).

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

2197255970 is a wasteful number, since it uses less digits than its factorization.

2197255970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414594.

The product of its (nonzero) digits is 396900, while the sum is 47.

The square root of 2197255970 is about 46874.8970132202. The cubic root of 2197255970 is about 1300.0504852189.

The spelling of 2197255970 in words is "two billion, one hundred ninety-seven million, two hundred fifty-five thousand, nine hundred seventy".