2722256438 has 16 divisors (see below), whose sum is σ = 4461446736. Its totient is φ = 1235487840.

The previous prime is 2722256429. The next prime is 2722256491. The reversal of 2722256438 is 8346522272.

It is a super-2 number, since 2×2722256438² = 14821360228464895688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2722256395 and 2722256404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80381 + ... + 109112.

It is an arithmetic number, because the mean of its divisors is an integer number (278840421).

Almost surely, 2^2722256438 is an apocalyptic number.

2722256438 is a deficient number, since it is larger than the sum of its proper divisors (1739190298).

2722256438 is a wasteful number, since it uses less digits than its factorization.

2722256438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190159.

The product of its digits is 322560, while the sum is 41.

The square root of 2722256438 is about 52175.2473688434. The cubic root of 2722256438 is about 1396.2923046855.

The spelling of 2722256438 in words is "two billion, seven hundred twenty-two million, two hundred fifty-six thousand, four hundred thirty-eight".