2403221072 has 30 divisors (see below), whose sum is σ = 5416445178. Its totient is φ = 1029951552.

The previous prime is 2403221071. The next prime is 2403221081. The reversal of 2403221072 is 2701223042.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1270494736 + 1132726336 = 35644^2 + 33656^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403221071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1531883 + ... + 1533450.

Almost surely, 2^2403221072 is an apocalyptic number.

It is an amenable number.

2403221072 is an abundant number, since it is smaller than the sum of its proper divisors (3013224106).

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

2403221072 is a wasteful number, since it uses less digits than its factorization.

2403221072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065355 (or 3065342 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 2403221072 is about 49022.6587610260. The cubic root of 2403221072 is about 1339.4646023275.

The spelling of 2403221072 in words is "two billion, four hundred three million, two hundred twenty-one thousand, seventy-two".