1200244422 has 48 divisors (see below), whose sum is σ = 2683266048. Its totient is φ = 357383520.

The previous prime is 1200244399. The next prime is 1200244427. The reversal of 1200244422 is 2244420021.

It is a super-2 number, since 2×1200244422² = 2881173345084228168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200244427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12343 + ... + 50525.

It is an arithmetic number, because the mean of its divisors is an integer number (55901376).

Almost surely, 2^1200244422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200244422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1341633024).

1200244422 is an abundant number, since it is smaller than the sum of its proper divisors (1483021626).

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

1200244422 is a wasteful number, since it uses less digits than its factorization.

1200244422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38245 (or 38232 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 1200244422 is about 34644.5438994367. The cubic root of 1200244422 is about 1062.7307134881.

Adding to 1200244422 its reverse (2244420021), we get a palindrome (3444664443).

The spelling of 1200244422 in words is "one billion, two hundred million, two hundred forty-four thousand, four hundred twenty-two".