1228274453 has 16 divisors (see below), whose sum is σ = 1437596160. Its totient is φ = 1027541376.

The previous prime is 1228274447. The next prime is 1228274461. The reversal of 1228274453 is 3544728221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1228274453 - 2⁶ = 1228274389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228274413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117713 + ... + 127721.

It is an arithmetic number, because the mean of its divisors is an integer number (89849760).

Almost surely, 2^1228274453 is an apocalyptic number.

It is an amenable number.

1228274453 is a deficient number, since it is larger than the sum of its proper divisors (209321707).

1228274453 is a wasteful number, since it uses less digits than its factorization.

1228274453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10436.

The product of its digits is 107520, while the sum is 38.

The square root of 1228274453 is about 35046.7466821102. The cubic root of 1228274453 is about 1070.9399993645.

The spelling of 1228274453 in words is "one billion, two hundred twenty-eight million, two hundred seventy-four thousand, four hundred fifty-three".