1228246472 has 8 divisors (see below), whose sum is σ = 2302962150. Its totient is φ = 614123232.

The previous prime is 1228246457. The next prime is 1228246589. The reversal of 1228246472 is 2746428221.

It can be written as a sum of positive squares in only one way, i.e., 776513956 + 451732516 = 27866^2 + 21254^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76765397 + ... + 76765412.

Almost surely, 2^1228246472 is an apocalyptic number.

It is an amenable number.

1228246472 is a deficient number, since it is larger than the sum of its proper divisors (1074715678).

1228246472 is a wasteful number, since it uses less digits than its factorization.

1228246472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153530815 (or 153530811 counting only the distinct ones).

The product of its digits is 86016, while the sum is 38.

The square root of 1228246472 is about 35046.3474844384. The cubic root of 1228246472 is about 1070.9318670345.

The spelling of 1228246472 in words is "one billion, two hundred twenty-eight million, two hundred forty-six thousand, four hundred seventy-two".