2271970 has 16 divisors (see below), whose sum is σ = 4151808. Its totient is φ = 894960.

The previous prime is 2271967. The next prime is 2271977. The reversal of 2271970 is 791722.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2271977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1026 + ... + 2365.

It is an arithmetic number, because the mean of its divisors is an integer number (259488).

2^2271970 is an apocalyptic number.

2271970 is a deficient number, since it is larger than the sum of its proper divisors (1879838).

2271970 is a wasteful number, since it uses less digits than its factorization.

2271970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 2271970 is about 1507.3055430138. The cubic root of 2271970 is about 131.4621904050.

It can be divided in two parts, 227 and 1970, that added together give a cube (2197 = 13³).

The spelling of 2271970 in words is "two million, two hundred seventy-one thousand, nine hundred seventy".