1424212244 has 72 divisors (see below), whose sum is σ = 3198700008. Its totient is φ = 549642240.

The previous prime is 1424212193. The next prime is 1424212249. The reversal of 1424212244 is 4422124241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 659344 + 1423552900 = 812^2 + 37730^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424212249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97652 + ... + 111284.

It is an arithmetic number, because the mean of its divisors is an integer number (44426389).

Almost surely, 2^1424212244 is an apocalyptic number.

1424212244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1424212244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1599350004).

1424212244 is an abundant number, since it is smaller than the sum of its proper divisors (1774487764).

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

1424212244 is a wasteful number, since it uses less digits than its factorization.

1424212244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13705 (or 13696 counting only the distinct ones).

The product of its digits is 4096, while the sum is 26.

The square root of 1424212244 is about 37738.7366508207. The cubic root of 1424212244 is about 1125.1011580478.

Adding to 1424212244 its reverse (4422124241), we get a palindrome (5846336485).

The spelling of 1424212244 in words is "one billion, four hundred twenty-four million, two hundred twelve thousand, two hundred forty-four".