1284456226 has 16 divisors (see below), whose sum is σ = 1993996800. Its totient is φ = 619810128.

The previous prime is 1284456163. The next prime is 1284456253. The reversal of 1284456226 is 6226544821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208255 + ... + 214333.

It is an arithmetic number, because the mean of its divisors is an integer number (124624800).

Almost surely, 2^1284456226 is an apocalyptic number.

1284456226 is a deficient number, since it is larger than the sum of its proper divisors (709540574).

1284456226 is a wasteful number, since it uses less digits than its factorization.

1284456226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9753.

The product of its digits is 184320, while the sum is 40.

The square root of 1284456226 is about 35839.3111819968. The cubic root of 1284456226 is about 1087.0255933322.

The spelling of 1284456226 in words is "one billion, two hundred eighty-four million, four hundred fifty-six thousand, two hundred twenty-six".