1200402222 has 16 divisors (see below), whose sum is σ = 2419709952. Its totient is φ = 396983160.

The previous prime is 1200402187. The next prime is 1200402239. The reversal of 1200402222 is 2222040021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786904 + ... + 788427.

It is an arithmetic number, because the mean of its divisors is an integer number (151231872).

Almost surely, 2^1200402222 is an apocalyptic number.

1200402222 is an abundant number, since it is smaller than the sum of its proper divisors (1219307730).

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

1200402222 is a wasteful number, since it uses less digits than its factorization.

1200402222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575463.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 1200402222 is about 34646.8212394730. The cubic root of 1200402222 is about 1062.7772849905. Note that the first 3 decimals are identical.

Adding to 1200402222 its reverse (2222040021), we get a palindrome (3422442243).

The spelling of 1200402222 in words is "one billion, two hundred million, four hundred two thousand, two hundred twenty-two".