1422441220 has 24 divisors (see below), whose sum is σ = 2993016600. Its totient is φ = 567854592.

The previous prime is 1422441217. The next prime is 1422441253. The reversal of 1422441220 is 221442241.

It can be written as a sum of positive squares in 4 ways, for example, as 83320384 + 1339120836 = 9128^2 + 36594^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1422441191 and 1422441200.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 59685 + ... + 80044.

It is an arithmetic number, because the mean of its divisors is an integer number (124709025).

Almost surely, 2^1422441220 is an apocalyptic number.

1422441220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422441220 is an abundant number, since it is smaller than the sum of its proper divisors (1570575380).

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

1422441220 is a wasteful number, since it uses less digits than its factorization.

1422441220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140247 (or 140245 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1422441220 is about 37715.2650792753. The cubic root of 1422441220 is about 1124.6346059438.

Adding to 1422441220 its reverse (221442241), we get a palindrome (1643883461).

The spelling of 1422441220 in words is "one billion, four hundred twenty-two million, four hundred forty-one thousand, two hundred twenty".