722534011 has 4 divisors (see below), whose sum is σ = 722878072. Its totient is φ = 722189952.

The previous prime is 722533997. The next prime is 722534023. The reversal of 722534011 is 110435227.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 722534011 - 2¹¹ = 722531963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722534041) 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, 168861 + ... + 173086.

It is an arithmetic number, because the mean of its divisors is an integer number (180719518).

Almost surely, 2^722534011 is an apocalyptic number.

722534011 is a deficient number, since it is larger than the sum of its proper divisors (344061).

722534011 is a wasteful number, since it uses less digits than its factorization.

722534011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344060.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 722534011 is about 26879.9927641359. The cubic root of 722534011 is about 897.3311930768.

Adding to 722534011 its reverse (110435227), we get a palindrome (832969238).

The spelling of 722534011 in words is "seven hundred twenty-two million, five hundred thirty-four thousand, eleven".