1200220444 has 6 divisors (see below), whose sum is σ = 2100385784. Its totient is φ = 600110220.

The previous prime is 1200220409. The next prime is 1200220453. The reversal of 1200220444 is 4440220021.

It is a super-2 number, since 2×1200220444² = 2881058228391114272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150027552 + ... + 150027559.

Almost surely, 2^1200220444 is an apocalyptic number.

It is an amenable number.

1200220444 is a deficient number, since it is larger than the sum of its proper divisors (900165340).

1200220444 is a wasteful number, since it uses less digits than its factorization.

1200220444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300055115 (or 300055113 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1200220444 is about 34644.1978403311. The cubic root of 1200220444 is about 1062.7236365055.

Adding to 1200220444 its reverse (4440220021), we get a palindrome (5640440465).

The spelling of 1200220444 in words is "one billion, two hundred million, two hundred twenty thousand, four hundred forty-four".