2278413428 has 12 divisors (see below), whose sum is σ = 3987574500. Its totient is φ = 1139106432.

The previous prime is 2278413427. The next prime is 2278413433. The reversal of 2278413428 is 8243148722.

It can be written as a sum of positive squares in 2 ways, for example, as 540190564 + 1738222864 = 23242^2 + 41692^2 .

It is a super-2 number, since 2×2278413428² = 10382335497781422368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2278413427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53198 + ... + 85946.

It is an arithmetic number, because the mean of its divisors is an integer number (332297875).

Almost surely, 2^2278413428 is an apocalyptic number.

It is an amenable number.

2278413428 is a deficient number, since it is larger than the sum of its proper divisors (1709161072).

2278413428 is a wasteful number, since it uses less digits than its factorization.

2278413428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50146 (or 50144 counting only the distinct ones).

The product of its digits is 172032, while the sum is 41.

The square root of 2278413428 is about 47732.7291069765. The cubic root of 2278413428 is about 1315.8635102944.

The spelling of 2278413428 in words is "two billion, two hundred seventy-eight million, four hundred thirteen thousand, four hundred twenty-eight".