722150440 has 128 divisors (see below), whose sum is σ = 1826582400. Its totient is φ = 254725120.

The previous prime is 722150437. The next prime is 722150447. The reversal of 722150440 is 44051227.

It is not an unprimeable number, because it can be changed into a prime (722150447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4034271 + ... + 4034449.

It is an arithmetic number, because the mean of its divisors is an integer number (14270175).

Almost surely, 2^722150440 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 722150440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (913291200).

722150440 is an abundant number, since it is smaller than the sum of its proper divisors (1104431960).

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

722150440 is a wasteful number, since it uses less digits than its factorization.

722150440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 722150440 is about 26872.8569378099. The cubic root of 722150440 is about 897.1723764940.

It can be divided in two parts, 72 and 2150440, that added together give a palindrome (2150512).

The spelling of 722150440 in words is "seven hundred twenty-two million, one hundred fifty thousand, four hundred forty".