2544402322 has 48 divisors (see below), whose sum is σ = 4853669472. Its totient is φ = 989210880.

The previous prime is 2544402281. The next prime is 2544402337. The reversal of 2544402322 is 2232044452.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 561538 + ... + 566050.

It is an arithmetic number, because the mean of its divisors is an integer number (101118114).

Almost surely, 2^2544402322 is an apocalyptic number.

2544402322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2544402322 is a deficient number, since it is larger than the sum of its proper divisors (2309267150).

2544402322 is a wasteful number, since it uses less digits than its factorization.

2544402322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5063 (or 5056 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 2544402322 is about 50442.0689702554. The cubic root of 2544402322 is about 1365.1967982745.

Adding to 2544402322 its reverse (2232044452), we get a palindrome (4776446774).

The spelling of 2544402322 in words is "two billion, five hundred forty-four million, four hundred two thousand, three hundred twenty-two".