227656040 has 32 divisors (see below), whose sum is σ = 512709480. Its totient is φ = 90976512.

The previous prime is 227656031. The next prime is 227656049. The reversal of 227656040 is 40656722.

It is an interprime number because it is at equal distance from previous prime (227656031) and next prime (227656049).

It can be written as a sum of positive squares in 4 ways, for example, as 227587396 + 68644 = 15086^2 + 262^2 .

It is a junction number, because it is equal to n+sod(n) for n = 227655988 and 227656006.

It is not an unprimeable number, because it can be changed into a prime (227656049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56162 + ... + 60078.

Almost surely, 2^227656040 is an apocalyptic number.

227656040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227656040 is an abundant number, since it is smaller than the sum of its proper divisors (285053440).

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

227656040 is a wasteful number, since it uses less digits than its factorization.

227656040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5381 (or 5377 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 227656040 is about 15088.2749179620. The cubic root of 227656040 is about 610.6041135136.

The spelling of 227656040 in words is "two hundred twenty-seven million, six hundred fifty-six thousand, forty".