227661040 has 60 divisors (see below), whose sum is σ = 558707544. Its totient is φ = 86260608.

The previous prime is 227661029. The next prime is 227661041. The reversal of 227661040 is 40166722.

227661040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227661041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24939 + ... + 32821.

Almost surely, 2^227661040 is an apocalyptic number.

227661040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227661040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279353772).

227661040 is an abundant number, since it is smaller than the sum of its proper divisors (331046504).

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

227661040 is a wasteful number, since it uses less digits than its factorization.

227661040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7934 (or 7909 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 227661040 is about 15088.4406086249. The cubic root of 227661040 is about 610.6085837050.

The spelling of 227661040 in words is "two hundred twenty-seven million, six hundred sixty-one thousand, forty".