722955534 has 16 divisors (see below), whose sum is σ = 1652469888. Its totient is φ = 206558712.

The previous prime is 722955533. The next prime is 722955577. The reversal of 722955534 is 435559227.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 17213227 = 722955534 / (7 + 2 + 2 + 9 + 5 + 5 + 5 + 3 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722955533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8606572 + ... + 8606655.

It is an arithmetic number, because the mean of its divisors is an integer number (103279368).

Almost surely, 2^722955534 is an apocalyptic number.

722955534 is an abundant number, since it is smaller than the sum of its proper divisors (929514354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722955534 is a wasteful number, since it uses less digits than its factorization.

722955534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17213239.

The product of its digits is 378000, while the sum is 42.

The square root of 722955534 is about 26887.8324526169. The cubic root of 722955534 is about 897.5056587762.

The spelling of 722955534 in words is "seven hundred twenty-two million, nine hundred fifty-five thousand, five hundred thirty-four".