2722421724 has 48 divisors (see below), whose sum is σ = 6968148096. Its totient is φ = 820411200.

The previous prime is 2722421693. The next prime is 2722421731. The reversal of 2722421724 is 4271242272.

2722421724 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33082 + ... + 80865.

It is an arithmetic number, because the mean of its divisors is an integer number (145169752).

Almost surely, 2^2722421724 is an apocalyptic number.

It is an amenable number.

2722421724 is an abundant number, since it is smaller than the sum of its proper divisors (4245726372).

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

2722421724 is a wasteful number, since it uses less digits than its factorization.

2722421724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114146 (or 114144 counting only the distinct ones).

The product of its digits is 25088, while the sum is 33.

The square root of 2722421724 is about 52176.8312951256. The cubic root of 2722421724 is about 1396.3205634608.

Adding to 2722421724 its reverse (4271242272), we get a palindrome (6993663996).

The spelling of 2722421724 in words is "two billion, seven hundred twenty-two million, four hundred twenty-one thousand, seven hundred twenty-four".