1222329284 has 12 divisors (see below), whose sum is σ = 2333537808. Its totient is φ = 555604200.

The previous prime is 1222329263. The next prime is 1222329289. The reversal of 1222329284 is 4829232221.

It is not an unprimeable number, because it can be changed into a prime (1222329289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13890062 + ... + 13890149.

It is an arithmetic number, because the mean of its divisors is an integer number (194461484).

Almost surely, 2^1222329284 is an apocalyptic number.

It is an amenable number.

1222329284 is a deficient number, since it is larger than the sum of its proper divisors (1111208524).

1222329284 is a wasteful number, since it uses less digits than its factorization.

1222329284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27780226 (or 27780224 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 1222329284 is about 34961.8260964727. The cubic root of 1222329284 is about 1069.2093276624.

The spelling of 1222329284 in words is "one billion, two hundred twenty-two million, three hundred twenty-nine thousand, two hundred eighty-four".