227780442 has 48 divisors (see below), whose sum is σ = 514594080. Its totient is φ = 72727200.

The previous prime is 227780407. The next prime is 227780453. The reversal of 227780442 is 244087722.

It is a super-3 number, since 3×227780442³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 227780397 and 227780406.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66717 + ... + 70047.

It is an arithmetic number, because the mean of its divisors is an integer number (10720710).

Almost surely, 2^227780442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227780442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257297040).

227780442 is an abundant number, since it is smaller than the sum of its proper divisors (286813638).

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

227780442 is a wasteful number, since it uses less digits than its factorization.

227780442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499 (or 3496 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 227780442 is about 15092.3968275420. The cubic root of 227780442 is about 610.7153142254.

The spelling of 227780442 in words is "two hundred twenty-seven million, seven hundred eighty thousand, four hundred forty-two".