2122656005 has 8 divisors (see below), whose sum is σ = 2562440832. Its totient is φ = 1687955728.

The previous prime is 2122656001. The next prime is 2122656013. The reversal of 2122656005 is 5006562212.

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 2122656005 - 2² = 2122656001 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 (2122656001) 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, 1270217 + ... + 1271886.

It is an arithmetic number, because the mean of its divisors is an integer number (320305104).

Almost surely, 2^2122656005 is an apocalyptic number.

It is an amenable number.

2122656005 is a deficient number, since it is larger than the sum of its proper divisors (439784827).

2122656005 is a wasteful number, since it uses less digits than its factorization.

2122656005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542275.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2122656005 is about 46072.2910760904. The cubic root of 2122656005 is about 1285.1679099473.

The spelling of 2122656005 in words is "two billion, one hundred twenty-two million, six hundred fifty-six thousand, five".