1442022340 has 36 divisors (see below), whose sum is σ = 3328574508. Its totient is φ = 524370880.

The previous prime is 1442022299. The next prime is 1442022341. The reversal of 1442022340 is 432202441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 731053444 + 710968896 = 27038^2 + 26664^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442022341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 295519 + ... + 300358.

It is an arithmetic number, because the mean of its divisors is an integer number (92460403).

Almost surely, 2^1442022340 is an apocalyptic number.

1442022340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442022340 is an abundant number, since it is smaller than the sum of its proper divisors (1886552168).

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

1442022340 is a wasteful number, since it uses less digits than its factorization.

1442022340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595908 (or 595895 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1442022340 is about 37973.9692421006. The cubic root of 1442022340 is about 1129.7716248220.

Adding to 1442022340 its reverse (432202441), we get a palindrome (1874224781).

The spelling of 1442022340 in words is "one billion, four hundred forty-two million, twenty-two thousand, three hundred forty".