1420224253 has 8 divisors (see below), whose sum is σ = 1660860608. Its totient is φ = 1189024704.

The previous prime is 1420224233. The next prime is 1420224277. The reversal of 1420224253 is 3524220241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1420224253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420224233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2358876 + ... + 2359477.

It is an arithmetic number, because the mean of its divisors is an integer number (207607576).

Almost surely, 2^1420224253 is an apocalyptic number.

It is an amenable number.

1420224253 is a deficient number, since it is larger than the sum of its proper divisors (240636355).

1420224253 is an equidigital number, since it uses as much as digits as its factorization.

1420224253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4718403.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1420224253 is about 37685.8627737246. The cubic root of 1420224253 is about 1124.0500301203.

Adding to 1420224253 its reverse (3524220241), we get a palindrome (4944444494).

The spelling of 1420224253 in words is "one billion, four hundred twenty million, two hundred twenty-four thousand, two hundred fifty-three".