2270978 has 8 divisors (see below), whose sum is σ = 3421440. Its totient is φ = 1130500.

The previous prime is 2270977. The next prime is 2270981. The reversal of 2270978 is 8790722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2270977) 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, 1898 + ... + 2853.

It is an arithmetic number, because the mean of its divisors is an integer number (427680).

2^2270978 is an apocalyptic number.

2270978 is a deficient number, since it is larger than the sum of its proper divisors (1150462).

2270978 is a wasteful number, since it uses less digits than its factorization.

2270978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4992.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 2270978 is about 1506.9764430806. The cubic root of 2270978 is about 131.4430543721.

The spelling of 2270978 in words is "two million, two hundred seventy thousand, nine hundred seventy-eight".