1420261224 has 32 divisors (see below), whose sum is σ = 3705030720. Its totient is φ = 452836736.

The previous prime is 1420261177. The next prime is 1420261237. The reversal of 1420261224 is 4221620241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1420261194 and 1420261203.

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 7 ways as a sum of consecutive naturals, for example, 1285917 + ... + 1287020.

It is an arithmetic number, because the mean of its divisors is an integer number (115782210).

Almost surely, 2^1420261224 is an apocalyptic number.

It is an amenable number.

1420261224 is an abundant number, since it is smaller than the sum of its proper divisors (2284769496).

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

1420261224 is a wasteful number, since it uses less digits than its factorization.

1420261224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572969 (or 2572965 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1420261224 is about 37686.3532860371. The cubic root of 1420261224 is about 1124.0597837192.

Adding to 1420261224 its reverse (4221620241), we get a palindrome (5641881465).

The spelling of 1420261224 in words is "one billion, four hundred twenty million, two hundred sixty-one thousand, two hundred twenty-four".