2722217606021 has 8 divisors (see below), whose sum is σ = 2882383064064. Its totient is φ = 2562056038080.

The previous prime is 2722217605981. The next prime is 2722217606023. The reversal of 2722217606021 is 1206067122272.

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 2722217606021 - 2²² = 2722213411717 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 (2722217606023) 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, 534986 + ... + 2393876.

It is an arithmetic number, because the mean of its divisors is an integer number (360297883008).

Almost surely, 2^{2722217606021} is an apocalyptic number.

It is an amenable number.

2722217606021 is a deficient number, since it is larger than the sum of its proper divisors (160165458043).

2722217606021 is a wasteful number, since it uses less digits than its factorization.

2722217606021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945051.

The product of its (nonzero) digits is 56448, while the sum is 38.

The spelling of 2722217606021 in words is "two trillion, seven hundred twenty-two billion, two hundred seventeen million, six hundred six thousand, twenty-one".