1228215354 has 16 divisors (see below), whose sum is σ = 2600926848. Its totient is φ = 385322432.

The previous prime is 1228215353. The next prime is 1228215367. The reversal of 1228215354 is 4535128221.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1228215353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6020562 + ... + 6020765.

It is an arithmetic number, because the mean of its divisors is an integer number (162557928).

Almost surely, 2^1228215354 is an apocalyptic number.

1228215354 is an abundant number, since it is smaller than the sum of its proper divisors (1372711494).

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

1228215354 is a wasteful number, since it uses less digits than its factorization.

1228215354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12041349.

The product of its digits is 19200, while the sum is 33.

The square root of 1228215354 is about 35045.9035266606. The cubic root of 1228215354 is about 1070.9228228293.

The spelling of 1228215354 in words is "one billion, two hundred twenty-eight million, two hundred fifteen thousand, three hundred fifty-four".