227778120 has 48 divisors (see below), whose sum is σ = 740280060. Its totient is φ = 60740736.

The previous prime is 227778113. The next prime is 227778127. The reversal of 227778120 is 21877722.

227778120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (227778113) and next prime (227778127).

It can be written as a sum of positive squares in 2 ways, for example, as 219099204 + 8678916 = 14802^2 + 2946^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (227778127) 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, 315999 + ... + 316718.

Almost surely, 2^227778120 is an apocalyptic number.

227778120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227778120 is an abundant number, since it is smaller than the sum of its proper divisors (512501940).

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

227778120 is a wasteful number, since it uses less digits than its factorization.

227778120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632734 (or 632727 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 227778120 is about 15092.3199011948. The cubic root of 227778120 is about 610.7132390021.

The spelling of 227778120 in words is "two hundred twenty-seven million, seven hundred seventy-eight thousand, one hundred twenty".