1455228 has 18 divisors (see below), whose sum is σ = 3678584. Its totient is φ = 485064.

The previous prime is 1455227. The next prime is 1455241. The reversal of 1455228 is 8225541.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20176 + ... + 20247.

2^1455228 is an apocalyptic number.

1455228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1455228 is an abundant number, since it is smaller than the sum of its proper divisors (2223356).

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

1455228 is a wasteful number, since it uses less digits than its factorization.

1455228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40433 (or 40428 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 1455228 is about 1206.3283135200. The cubic root of 1455228 is about 113.3209867365.

It can be divided in two parts, 145522 and 8, that added together give a triangular number (145530 = T₅₃₉).

The spelling of 1455228 in words is "one million, four hundred fifty-five thousand, two hundred twenty-eight".