227620071 has 32 divisors (see below), whose sum is σ = 386193920. Its totient is φ = 129796992.

The previous prime is 227620061. The next prime is 227620091. The reversal of 227620071 is 170026722.

It is not a de Polignac number, because 227620071 - 2⁵ = 227620039 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227620051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120591 + ... + 122463.

It is an arithmetic number, because the mean of its divisors is an integer number (12068560).

Almost surely, 2^227620071 is an apocalyptic number.

227620071 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

227620071 is a deficient number, since it is larger than the sum of its proper divisors (158573849).

227620071 is a wasteful number, since it uses less digits than its factorization.

227620071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2532 (or 2526 counting only the distinct ones).

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

The square root of 227620071 is about 15087.0829188415. The cubic root of 227620071 is about 610.5719539216.

Adding to 227620071 its reverse (170026722), we get a palindrome (397646793).

The spelling of 227620071 in words is "two hundred twenty-seven million, six hundred twenty thousand, seventy-one".