2078228 has 12 divisors (see below), whose sum is σ = 3666432. Its totient is φ = 1030680.

The previous prime is 2078221. The next prime is 2078243. The reversal of 2078228 is 8228702.

It is a self number, because there is not a number n which added to its sum of digits gives 2078228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2078221) 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, 1538 + ... + 2553.

It is an arithmetic number, because the mean of its divisors is an integer number (305536).

2^2078228 is an apocalyptic number.

It is an amenable number.

2078228 is a deficient number, since it is larger than the sum of its proper divisors (1588204).

2078228 is a wasteful number, since it uses less digits than its factorization.

2078228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4222 (or 4220 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 2078228 is about 1441.6060488219. The cubic root of 2078228 is about 127.6138263271.

It can be divided in two parts, 207822 and 8, that multiplied together give a triangular number (1662576 = T₁₈₂₃).

The spelling of 2078228 in words is "two million, seventy-eight thousand, two hundred twenty-eight".