2122030997 has 8 divisors (see below), whose sum is σ = 2138473752. Its totient is φ = 2105625600.

The previous prime is 2122030921. The next prime is 2122031011. The reversal of 2122030997 is 7990302212.

It can be written as a sum of positive squares in 4 ways, for example, as 50779876 + 2071251121 = 7126^2 + 45511^2 .

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 2122030997 - 2¹² = 2122026901 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 (2122030597) 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, 110597 + ... + 128357.

It is an arithmetic number, because the mean of its divisors is an integer number (267309219).

Almost surely, 2^2122030997 is an apocalyptic number.

It is an amenable number.

2122030997 is a deficient number, since it is larger than the sum of its proper divisors (16442755).

2122030997 is a wasteful number, since it uses less digits than its factorization.

2122030997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18679.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 2122030997 is about 46065.5076711415. The cubic root of 2122030997 is about 1285.0417599615.

The spelling of 2122030997 in words is "two billion, one hundred twenty-two million, thirty thousand, nine hundred ninety-seven".