1424225140 has 24 divisors (see below), whose sum is σ = 3220940520. Its totient is φ = 525867648.

The previous prime is 1424225129. The next prime is 1424225147. The reversal of 1424225140 is 415224241.

It can be written as a sum of positive squares in 4 ways, for example, as 19324816 + 1404900324 = 4396^2 + 37482^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424225147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2738635 + ... + 2739154.

It is an arithmetic number, because the mean of its divisors is an integer number (134205855).

Almost surely, 2^1424225140 is an apocalyptic number.

1424225140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1424225140 is an abundant number, since it is smaller than the sum of its proper divisors (1796715380).

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

1424225140 is a wasteful number, since it uses less digits than its factorization.

1424225140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5477811 (or 5477809 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 1424225140 is about 37738.9075093596. The cubic root of 1424225140 is about 1125.1045539042.

Adding to 1424225140 its reverse (415224241), we get a palindrome (1839449381).

The spelling of 1424225140 in words is "one billion, four hundred twenty-four million, two hundred twenty-five thousand, one hundred forty".