274122306 has 40 divisors (see below), whose sum is σ = 617850684. Its totient is φ = 90836640.

The previous prime is 274122287. The next prime is 274122311. The reversal of 274122306 is 603221472.

It can be written as a sum of positive squares in 2 ways, for example, as 262731681 + 11390625 = 16209^2 + 3375^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 274122306.

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 19 ways as a sum of consecutive naturals, for example, 23136 + ... + 32916.

Almost surely, 2^274122306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274122306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308925342).

274122306 is an abundant number, since it is smaller than the sum of its proper divisors (343728378).

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

274122306 is a wasteful number, since it uses less digits than its factorization.

274122306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9968 (or 9959 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 274122306 is about 16556.6393329081. The cubic root of 274122306 is about 649.6031550019.

Adding to 274122306 its reverse (603221472), we get a palindrome (877343778).

The spelling of 274122306 in words is "two hundred seventy-four million, one hundred twenty-two thousand, three hundred six".