1420813224 has 192 divisors, whose sum is σ = 4266662400. Its totient is φ = 441878976.

The previous prime is 1420813213. The next prime is 1420813237. The reversal of 1420813224 is 4223180241.

1420813224 is a `hidden beast` number, since 1 + 420 + 8 + 13 + 224 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1922247 + ... + 1922985.

It is an arithmetic number, because the mean of its divisors is an integer number (22222200).

Almost surely, 2^1420813224 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 1420813224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2133331200).

1420813224 is an abundant number, since it is smaller than the sum of its proper divisors (2845849176).

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

1420813224 is a wasteful number, since it uses less digits than its factorization.

1420813224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 1420813224 is about 37693.6761804948. The cubic root of 1420813224 is about 1124.2053908845.

Adding to 1420813224 its reverse (4223180241), we get a palindrome (5643993465).

The spelling of 1420813224 in words is "one billion, four hundred twenty million, eight hundred thirteen thousand, two hundred twenty-four".