1420223256 has 48 divisors (see below), whose sum is σ = 3870968400. Its totient is φ = 470388672.

The previous prime is 1420223219. The next prime is 1420223261. The reversal of 1420223256 is 6523220241.

It is a happy number.

1420223256 is a `hidden beast` number, since 1 + 420 + 2 + 232 + 5 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51516 + ... + 74123.

It is an arithmetic number, because the mean of its divisors is an integer number (80645175).

Almost surely, 2^1420223256 is an apocalyptic number.

It is an amenable number.

1420223256 is an abundant number, since it is smaller than the sum of its proper divisors (2450745144).

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

1420223256 is a wasteful number, since it uses less digits than its factorization.

1420223256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125808 (or 125801 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1420223256 is about 37685.8495459503. The cubic root of 1420223256 is about 1124.0497670918.

Adding to 1420223256 its reverse (6523220241), we get a palindrome (7943443497).

It can be divided in two parts, 1420 and 223256, that added together give a square (224676 = 474²).

The spelling of 1420223256 in words is "one billion, four hundred twenty million, two hundred twenty-three thousand, two hundred fifty-six".