227045620 has 12 divisors (see below), whose sum is σ = 476795844. Its totient is φ = 90818240.

The previous prime is 227045617. The next prime is 227045639. The reversal of 227045620 is 26540722.

It can be written as a sum of positive squares in 2 ways, for example, as 67831696 + 159213924 = 8236^2 + 12618^2 .

It is a super-2 number, since 2×227045620² = 103099427122368800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5676121 + ... + 5676160.

It is an arithmetic number, because the mean of its divisors is an integer number (39732987).

Almost surely, 2^227045620 is an apocalyptic number.

227045620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227045620 is an abundant number, since it is smaller than the sum of its proper divisors (249750224).

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

227045620 is a wasteful number, since it uses less digits than its factorization.

227045620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11352290 (or 11352288 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 227045620 is about 15068.0330501363. The cubic root of 227045620 is about 610.0578821721.

The spelling of 227045620 in words is "two hundred twenty-seven million, forty-five thousand, six hundred twenty".