722445471 has 12 divisors (see below), whose sum is σ = 1138399080. Its totient is φ = 437845680.

The previous prime is 722445431. The next prime is 722445473. The reversal of 722445471 is 174544227.

722445471 is a `hidden beast` number, since 72 + 2 + 44 + 547 + 1 = 666.

It is not a de Polignac number, because 722445471 - 2⁹ = 722444959 is a prime.

It is a super-3 number, since 3×722445471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722445473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3648616 + ... + 3648813.

It is an arithmetic number, because the mean of its divisors is an integer number (94866590).

Almost surely, 2^722445471 is an apocalyptic number.

722445471 is a deficient number, since it is larger than the sum of its proper divisors (415953609).

722445471 is a wasteful number, since it uses less digits than its factorization.

722445471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7297446 (or 7297443 counting only the distinct ones).

The product of its digits is 62720, while the sum is 36.

The square root of 722445471 is about 26878.3457638300. The cubic root of 722445471 is about 897.2945383089.

Adding to 722445471 its reverse (174544227), we get a palindrome (896989698).

The spelling of 722445471 in words is "seven hundred twenty-two million, four hundred forty-five thousand, four hundred seventy-one".