2722420503 has 24 divisors (see below), whose sum is σ = 4433209200. Its totient is φ = 1649949840.

The previous prime is 2722420451. The next prime is 2722420513. The reversal of 2722420503 is 3050242272.

It is not a de Polignac number, because 2722420503 - 2⁶ = 2722420439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722420513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 413388 + ... + 419921.

It is an arithmetic number, because the mean of its divisors is an integer number (184717050).

Almost surely, 2^2722420503 is an apocalyptic number.

2722420503 is a deficient number, since it is larger than the sum of its proper divisors (1710788697).

2722420503 is a wasteful number, since it uses less digits than its factorization.

2722420503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833340 (or 833323 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 2722420503 is about 52176.8195945288. The cubic root of 2722420503 is about 1396.3203547119.

Adding to 2722420503 its reverse (3050242272), we get a palindrome (5772662775).

The spelling of 2722420503 in words is "two billion, seven hundred twenty-two million, four hundred twenty thousand, five hundred three".