1228704546 has 16 divisors (see below), whose sum is σ = 2601962784. Its totient is φ = 385475904.

The previous prime is 1228704493. The next prime is 1228704557. The reversal of 1228704546 is 6454078221.

It is a super-2 number, since 2×1228704546² = 3019429722722132232, which contains 22 as substring.

It is an unprimeable number.

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, 6022960 + ... + 6023163.

It is an arithmetic number, because the mean of its divisors is an integer number (162622674).

Almost surely, 2^1228704546 is an apocalyptic number.

1228704546 is an abundant number, since it is smaller than the sum of its proper divisors (1373258238).

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

1228704546 is a wasteful number, since it uses less digits than its factorization.

1228704546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12046145.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 1228704546 is about 35052.8821354250. The cubic root of 1228704546 is about 1071.0649850154.

The spelling of 1228704546 in words is "one billion, two hundred twenty-eight million, seven hundred four thousand, five hundred forty-six".