227253780 has 72 divisors (see below), whose sum is σ = 742369992. Its totient is φ = 55938816.

The previous prime is 227253779. The next prime is 227253787. The reversal of 227253780 is 87352722.

It is a happy number.

227253780 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 23677956 + 203575824 = 4866^2 + 14268^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227253787) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46219 + ... + 50898.

Almost surely, 2^227253780 is an apocalyptic number.

227253780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227253780 is an abundant number, since it is smaller than the sum of its proper divisors (515116212).

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

227253780 is a wasteful number, since it uses less digits than its factorization.

227253780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97145 (or 97140 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 227253780 is about 15074.9388058459. The cubic root of 227253780 is about 610.2442630113.

The spelling of 227253780 in words is "two hundred twenty-seven million, two hundred fifty-three thousand, seven hundred eighty".