722342023161 has 16 divisors (see below), whose sum is σ = 1105978218240. Its totient is φ = 414741831120.

The previous prime is 722342023147. The next prime is 722342023177. The reversal of 722342023161 is 161320243227.

It is not a de Polignac number, because 722342023161 - 2⁵ = 722342023129 is a prime.

It is a super-3 number, since 3×722342023161³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (722342023121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576029695 + ... + 576030948.

It is an arithmetic number, because the mean of its divisors is an integer number (69123638640).

Almost surely, 2^722342023161 is an apocalyptic number.

It is an amenable number.

722342023161 is a deficient number, since it is larger than the sum of its proper divisors (383636195079).

722342023161 is a wasteful number, since it uses less digits than its factorization.

722342023161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152060676.

The product of its (nonzero) digits is 24192, while the sum is 33.

Adding to 722342023161 its reverse (161320243227), we get a palindrome (883662266388).

The spelling of 722342023161 in words is "seven hundred twenty-two billion, three hundred forty-two million, twenty-three thousand, one hundred sixty-one".