1422140424 has 64 divisors (see below), whose sum is σ = 3777580800. Its totient is φ = 444884544.

The previous prime is 1422140417. The next prime is 1422140441. The reversal of 1422140424 is 4240412241.

It is a super-3 number, since 3×1422140424³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1422140394 and 1422140403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34219 + ... + 63365.

It is an arithmetic number, because the mean of its divisors is an integer number (59024700).

Almost surely, 2^1422140424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422140424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1888790400).

1422140424 is an abundant number, since it is smaller than the sum of its proper divisors (2355440376).

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

1422140424 is a wasteful number, since it uses less digits than its factorization.

1422140424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29282 (or 29278 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 1422140424 is about 37711.2771462331. The cubic root of 1422140424 is about 1124.5553268767. Note that the first 3 decimals are identical.

Adding to 1422140424 its reverse (4240412241), we get a palindrome (5662552665).

It can be divided in two parts, 14221 and 40424, that added together give a palindrome (54645).

The spelling of 1422140424 in words is "one billion, four hundred twenty-two million, one hundred forty thousand, four hundred twenty-four".