2278324 has 6 divisors (see below), whose sum is σ = 3987074. Its totient is φ = 1139160.

The previous prime is 2278313. The next prime is 2278343. The reversal of 2278324 is 4238722.

It can be written as a sum of positive squares in only one way, i.e., 1774224 + 504100 = 1332^2 + 710^2 .

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁵ + 2¹⁷ + 7⁵ + 8³ + 3² + 2²¹ + 4 .

It is a junction number, because it is equal to n+sod(n) for n = 2278292 and 2278301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284787 + ... + 284794.

2^2278324 is an apocalyptic number.

It is an amenable number.

2278324 is a deficient number, since it is larger than the sum of its proper divisors (1708750).

2278324 is a wasteful number, since it uses less digits than its factorization.

2278324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569585 (or 569583 counting only the distinct ones).

The product of its digits is 5376, while the sum is 28.

The square root of 2278324 is about 1509.4118059695. The cubic root of 2278324 is about 131.5846294136.

The spelling of 2278324 in words is "two million, two hundred seventy-eight thousand, three hundred twenty-four".