2088221797 has 8 divisors (see below), whose sum is σ = 2144443392. Its totient is φ = 2032491600.

The previous prime is 2088221777. The next prime is 2088221803. The reversal of 2088221797 is 7971228802.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2088221797 - 2⁷ = 2088221669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2088221777) 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, 114229 + ... + 131242.

It is an arithmetic number, because the mean of its divisors is an integer number (268055424).

Almost surely, 2^2088221797 is an apocalyptic number.

It is an amenable number.

2088221797 is a deficient number, since it is larger than the sum of its proper divisors (56221595).

2088221797 is a wasteful number, since it uses less digits than its factorization.

2088221797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245699.

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 2088221797 is about 45697.0655184772. The cubic root of 2088221797 is about 1278.1805605552.

The spelling of 2088221797 in words is "two billion, eighty-eight million, two hundred twenty-one thousand, seven hundred ninety-seven".