2271206542 has 12 divisors (see below), whose sum is σ = 3744675648. Its totient is φ = 1032366500.

The previous prime is 2271206519. The next prime is 2271206611. The reversal of 2271206542 is 2456021722.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4692334 + ... + 4692817.

It is an arithmetic number, because the mean of its divisors is an integer number (312056304).

Almost surely, 2^2271206542 is an apocalyptic number.

2271206542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2271206542 is a deficient number, since it is larger than the sum of its proper divisors (1473469106).

2271206542 is a wasteful number, since it uses less digits than its factorization.

2271206542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9385175 (or 9385164 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 2271206542 is about 47657.1772349139. The cubic root of 2271206542 is about 1314.4746352254.

The spelling of 2271206542 in words is "two billion, two hundred seventy-one million, two hundred six thousand, five hundred forty-two".