1228162363 has 4 divisors (see below), whose sum is σ = 1228236640. Its totient is φ = 1228088088.

The previous prime is 1228162343. The next prime is 1228162367. The reversal of 1228162363 is 3632618221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1228162363 - 2¹⁷ = 1228031291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1228162367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133 + ... + 49561.

It is an arithmetic number, because the mean of its divisors is an integer number (307059160).

Almost surely, 2^1228162363 is an apocalyptic number.

1228162363 is a deficient number, since it is larger than the sum of its proper divisors (74277).

1228162363 is an equidigital number, since it uses as much as digits as its factorization.

1228162363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74276.

The product of its digits is 20736, while the sum is 34.

The square root of 1228162363 is about 35045.1474957661. The cubic root of 1228162363 is about 1070.9074210549.

The spelling of 1228162363 in words is "one billion, two hundred twenty-eight million, one hundred sixty-two thousand, three hundred sixty-three".