2278064 has 20 divisors (see below), whose sum is σ = 4444656. Its totient is φ = 1131072.

The previous prime is 2278063. The next prime is 2278069. The reversal of 2278064 is 4608722.

It is not an unprimeable number, because it can be changed into a prime (2278063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2357 + ... + 3179.

2^2278064 is an apocalyptic number.

It is an amenable number.

2278064 is a deficient number, since it is larger than the sum of its proper divisors (2166592).

2278064 is a wasteful number, since it uses less digits than its factorization.

2278064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004 (or 998 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 2278064 is about 1509.3256772480. The cubic root of 2278064 is about 131.5796237888.

The spelling of 2278064 in words is "two million, two hundred seventy-eight thousand, sixty-four".