722432141 has 4 divisors (see below), whose sum is σ = 741957372. Its totient is φ = 702906912.

The previous prime is 722432129. The next prime is 722432149. The reversal of 722432141 is 141234227.

722432141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 597998116 + 124434025 = 24454^2 + 11155^2 .

It is a cyclic number.

It is not a de Polignac number, because 722432141 - 2¹⁰ = 722431117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 722432141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722432149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9762560 + ... + 9762633.

It is an arithmetic number, because the mean of its divisors is an integer number (185489343).

Almost surely, 2^722432141 is an apocalyptic number.

It is an amenable number.

722432141 is a deficient number, since it is larger than the sum of its proper divisors (19525231).

722432141 is a wasteful number, since it uses less digits than its factorization.

722432141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19525230.

The product of its digits is 2688, while the sum is 26.

The square root of 722432141 is about 26878.0977935567. The cubic root of 722432141 is about 897.2890195488.

Adding to 722432141 its reverse (141234227), we get a palindrome (863666368).

The spelling of 722432141 in words is "seven hundred twenty-two million, four hundred thirty-two thousand, one hundred forty-one".