1422434140 has 24 divisors (see below), whose sum is σ = 3043474560. Its totient is φ = 558237888.

The previous prime is 1422434129. The next prime is 1422434159. The reversal of 1422434140 is 414342241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669900 + ... + 672019.

It is an arithmetic number, because the mean of its divisors is an integer number (126811440).

Almost surely, 2^1422434140 is an apocalyptic number.

1422434140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422434140 is an abundant number, since it is smaller than the sum of its proper divisors (1621040420).

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

1422434140 is a wasteful number, since it uses less digits than its factorization.

1422434140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341981 (or 1341979 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1422434140 is about 37715.1712179595. The cubic root of 1422434140 is about 1124.6327400375.

Adding to 1422434140 its reverse (414342241), we get a palindrome (1836776381).

The spelling of 1422434140 in words is "one billion, four hundred twenty-two million, four hundred thirty-four thousand, one hundred forty".