2271270 has 16 divisors (see below), whose sum is σ = 5451120. Its totient is φ = 605664.

The previous prime is 2271263. The next prime is 2271271. The reversal of 2271270 is 721722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2271271) 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, 37825 + ... + 37884.

It is an arithmetic number, because the mean of its divisors is an integer number (340695).

2^2271270 is an apocalyptic number.

2271270 is an abundant number, since it is smaller than the sum of its proper divisors (3179850).

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

2271270 is a wasteful number, since it uses less digits than its factorization.

2271270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75719.

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 2271270 is about 1507.0733227020. The cubic root of 2271270 is about 131.4486877346.

Adding to 2271270 its reverse (721722), we get a palindrome (2992992).

The spelling of 2271270 in words is "two million, two hundred seventy-one thousand, two hundred seventy".