1222026784 has 24 divisors (see below), whose sum is σ = 2624581008. Its totient is φ = 555466560.

The previous prime is 1222026739. The next prime is 1222026791. The reversal of 1222026784 is 4876202221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1735482 + ... + 1736185.

It is an arithmetic number, because the mean of its divisors is an integer number (109357542).

Almost surely, 2^1222026784 is an apocalyptic number.

It is an amenable number.

1222026784 is an abundant number, since it is smaller than the sum of its proper divisors (1402554224).

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

1222026784 is a wasteful number, since it uses less digits than its factorization.

1222026784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3471688 (or 3471680 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 1222026784 is about 34957.4996817564. The cubic root of 1222026784 is about 1069.1211183419.

The spelling of 1222026784 in words is "one billion, two hundred twenty-two million, twenty-six thousand, seven hundred eighty-four".