2220001197 has 8 divisors (see below), whose sum is σ = 2966396544. Its totient is φ = 1476803328.

The previous prime is 2220001187. The next prime is 2220001261. The reversal of 2220001197 is 7911000222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2220001197 - 2⁴ = 2220001181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220001187) 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, 797748 + ... + 800525.

It is an arithmetic number, because the mean of its divisors is an integer number (370799568).

Almost surely, 2^2220001197 is an apocalyptic number.

It is an amenable number.

2220001197 is a deficient number, since it is larger than the sum of its proper divisors (746395347).

2220001197 is a wasteful number, since it uses less digits than its factorization.

2220001197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598739.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 2220001197 is about 47116.8886600123. Note that the first 3 decimals coincide. The cubic root of 2220001197 is about 1304.5209844816.

The spelling of 2220001197 in words is "two billion, two hundred twenty million, one thousand, one hundred ninety-seven".