1202422400 has 48 divisors (see below), whose sum is σ = 2970366990. Its totient is φ = 480967680.

The previous prime is 1202422387. The next prime is 1202422453. The reversal of 1202422400 is 42242021.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 756030016 + 446392384 = 27496^2 + 21128^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 184679 + ... + 191078.

Almost surely, 2^1202422400 is an apocalyptic number.

1202422400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202422400 is an abundant number, since it is smaller than the sum of its proper divisors (1767944590).

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

1202422400 is an equidigital number, since it uses as much as digits as its factorization.

1202422400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375781 (or 375764 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1202422400 is about 34675.9628561342. The cubic root of 1202422400 is about 1063.3731397154.

Adding to 1202422400 its reverse (42242021), we get a palindrome (1244664421).

The spelling of 1202422400 in words is "one billion, two hundred two million, four hundred twenty-two thousand, four hundred".