1200408822 has 48 divisors (see below), whose sum is σ = 2700668880. Its totient is φ = 399624192.

The previous prime is 1200408821. The next prime is 1200408823. The reversal of 1200408822 is 2288040021.

It is an interprime number because it is at equal distance from previous prime (1200408821) and next prime (1200408823).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200408821) 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, 683898 + ... + 685650.

It is an arithmetic number, because the mean of its divisors is an integer number (56263935).

Almost surely, 2^1200408822 is an apocalyptic number.

1200408822 is an abundant number, since it is smaller than the sum of its proper divisors (1500260058).

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

1200408822 is a wasteful number, since it uses less digits than its factorization.

1200408822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3179 (or 3167 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 1200408822 is about 34646.9164861752. The cubic root of 1200408822 is about 1062.7792327591.

Adding to 1200408822 its reverse (2288040021), we get a palindrome (3488448843).

The spelling of 1200408822 in words is "one billion, two hundred million, four hundred eight thousand, eight hundred twenty-two".