227913680 has 20 divisors (see below), whose sum is σ = 529899492. Its totient is φ = 91165440.

The previous prime is 227913667. The next prime is 227913709. The reversal of 227913680 is 86319722.

It can be written as a sum of positive squares in 2 ways, for example, as 146119744 + 81793936 = 12088^2 + 9044^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×227913680² = 103889291062284800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1424381 + ... + 1424540.

Almost surely, 2^227913680 is an apocalyptic number.

227913680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227913680 is an abundant number, since it is smaller than the sum of its proper divisors (301985812).

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

227913680 is a wasteful number, since it uses less digits than its factorization.

227913680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848934 (or 2848928 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 227913680 is about 15096.8102591243. The cubic root of 227913680 is about 610.8343683839.

The spelling of 227913680 in words is "two hundred twenty-seven million, nine hundred thirteen thousand, six hundred eighty".