227642071 has 4 divisors (see below), whose sum is σ = 228899944. Its totient is φ = 226384200.

The previous prime is 227642069. The next prime is 227642089. The reversal of 227642071 is 170246722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170246722 = 2 ⋅85123361.

It is a cyclic number.

It is not a de Polignac number, because 227642071 - 2¹ = 227642069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227642011) 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, 628665 + ... + 629026.

It is an arithmetic number, because the mean of its divisors is an integer number (57224986).

Almost surely, 2^227642071 is an apocalyptic number.

227642071 is a deficient number, since it is larger than the sum of its proper divisors (1257873).

227642071 is a wasteful number, since it uses less digits than its factorization.

227642071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257872.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 227642071 is about 15087.8120017450. The cubic root of 227642071 is about 610.5916243460.

Adding to 227642071 its reverse (170246722), we get a palindrome (397888793).

The spelling of 227642071 in words is "two hundred twenty-seven million, six hundred forty-two thousand, seventy-one".