2278602 has 24 divisors (see below), whose sum is σ = 4965636. Its totient is φ = 755136.

The previous prime is 2278553. The next prime is 2278631. The reversal of 2278602 is 2068722.

It can be written as a sum of positive squares in 2 ways, for example, as 2277081 + 1521 = 1509^2 + 39^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4758 + ... + 5214.

2^2278602 is an apocalyptic number.

2278602 is an abundant number, since it is smaller than the sum of its proper divisors (2687034).

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

2278602 is a wasteful number, since it uses less digits than its factorization.

2278602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742 (or 739 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 2278602 is about 1509.5038920122. The cubic root of 2278602 is about 131.5899811603.

The spelling of 2278602 in words is "two million, two hundred seventy-eight thousand, six hundred two".