274225520 has 20 divisors (see below), whose sum is σ = 637574520. Its totient is φ = 109690176.

The previous prime is 274225519. The next prime is 274225543. The reversal of 274225520 is 25522472.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1713830 + ... + 1713989.

It is an arithmetic number, because the mean of its divisors is an integer number (31878726).

Almost surely, 2^274225520 is an apocalyptic number.

274225520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274225520 is an abundant number, since it is smaller than the sum of its proper divisors (363349000).

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

274225520 is a wasteful number, since it uses less digits than its factorization.

274225520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3427832 (or 3427826 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 274225520 is about 16559.7560368503. The cubic root of 274225520 is about 649.6846754585.

Adding to 274225520 its reverse (25522472), we get a palindrome (299747992).

The spelling of 274225520 in words is "two hundred seventy-four million, two hundred twenty-five thousand, five hundred twenty".