722161471 has 2 divisors, whose sum is σ = 722161472. Its totient is φ = 722161470.

The previous prime is 722161459. The next prime is 722161477. The reversal of 722161471 is 174161227.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 722161471 - 2¹¹ = 722159423 is a prime.

It is a super-3 number, since 3×722161471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722161477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361080735 + 361080736.

It is an arithmetic number, because the mean of its divisors is an integer number (361080736).

Almost surely, 2^722161471 is an apocalyptic number.

722161471 is a deficient number, since it is larger than the sum of its proper divisors (1).

722161471 is an equidigital number, since it uses as much as digits as its factorization.

722161471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 31.

The square root of 722161471 is about 26873.0621812997. The cubic root of 722161471 is about 897.1769446364.

The spelling of 722161471 in words is "seven hundred twenty-two million, one hundred sixty-one thousand, four hundred seventy-one".