1200222284 has 12 divisors (see below), whose sum is σ = 2101000608. Its totient is φ = 599936400.

The previous prime is 1200222281. The next prime is 1200222293. The reversal of 1200222284 is 4822220021.

It is not an unprimeable number, because it can be changed into a prime (1200222281) 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, 27572 + ... + 56219.

It is an arithmetic number, because the mean of its divisors is an integer number (175083384).

Almost surely, 2^1200222284 is an apocalyptic number.

It is an amenable number.

1200222284 is a deficient number, since it is larger than the sum of its proper divisors (900778324).

1200222284 is a wasteful number, since it uses less digits than its factorization.

1200222284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87376 (or 87374 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 1200222284 is about 34644.2243959942. The cubic root of 1200222284 is about 1062.7241795753.

The spelling of 1200222284 in words is "one billion, two hundred million, two hundred twenty-two thousand, two hundred eighty-four".