1422131203400 has 48 divisors (see below), whose sum is σ = 3306735247140. Its totient is φ = 568804275200.

The previous prime is 1422131203397. The next prime is 1422131203411. The reversal of 1422131203400 is 43021312241.

It can be written as a sum of positive squares in 6 ways, for example, as 749675442244 + 672455761156 = 865838^2 + 820034^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2112932 + ... + 2703468.

Almost surely, 2^{1422131203400} is an apocalyptic number.

1422131203400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422131203400 is an abundant number, since it is smaller than the sum of its proper divisors (1884604043740).

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

1422131203400 is a wasteful number, since it uses less digits than its factorization.

1422131203400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602594 (or 602585 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1422131203400 its reverse (43021312241), we get a palindrome (1465152515641).

The spelling of 1422131203400 in words is "one trillion, four hundred twenty-two billion, one hundred thirty-one million, two hundred three thousand, four hundred".