2271213027 has 20 divisors (see below), whose sum is σ = 3412432320. Its totient is φ = 1505380464.

The previous prime is 2271213019. The next prime is 2271213029. The reversal of 2271213027 is 7203121722.

It is not a de Polignac number, because 2271213027 - 2³ = 2271213019 is a prime.

It is a super-2 number, since 2×2271213027² = 10316817228029005458, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2271213029) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 67027 + ... + 95052.

It is an arithmetic number, because the mean of its divisors is an integer number (170621616).

Almost surely, 2^2271213027 is an apocalyptic number.

2271213027 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2271213027 is a deficient number, since it is larger than the sum of its proper divisors (1141219293).

2271213027 is a wasteful number, since it uses less digits than its factorization.

2271213027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162264 (or 162255 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 2271213027 is about 47657.2452728858. The cubic root of 2271213027 is about 1314.4758863020.

Adding to 2271213027 its reverse (7203121722), we get a palindrome (9474334749).

The spelling of 2271213027 in words is "two billion, two hundred seventy-one million, two hundred thirteen thousand, twenty-seven".