722154552 has 96 divisors (see below), whose sum is σ = 2191536000. Its totient is φ = 197351616.

The previous prime is 722154551. The next prime is 722154553. The reversal of 722154552 is 255451227.

It is an interprime number because it is at equal distance from previous prime (722154551) and next prime (722154553).

It is a super-3 number, since 3×722154552³ (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 (722154551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13699 + ... + 40397.

It is an arithmetic number, because the mean of its divisors is an integer number (22828500).

Almost surely, 2^722154552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722154552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1095768000).

722154552 is an abundant number, since it is smaller than the sum of its proper divisors (1469381448).

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

722154552 is a wasteful number, since it uses less digits than its factorization.

722154552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26745 (or 26734 counting only the distinct ones).

The product of its digits is 28000, while the sum is 33.

The square root of 722154552 is about 26872.9334461275. The cubic root of 722154552 is about 897.1740793552.

It can be divided in two parts, 72215 and 4552, that added together give a palindrome (76767).

The spelling of 722154552 in words is "seven hundred twenty-two million, one hundred fifty-four thousand, five hundred fifty-two".