1422501228 has 72 divisors (see below), whose sum is σ = 3658374720. Its totient is φ = 465984480.

The previous prime is 1422501221. The next prime is 1422501239. The reversal of 1422501228 is 8221052241.

It is not an unprimeable number, because it can be changed into a prime (1422501221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 503203 + ... + 506021.

It is an arithmetic number, because the mean of its divisors is an integer number (50810760).

Almost surely, 2^1422501228 is an apocalyptic number.

1422501228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1422501228 is an abundant number, since it is smaller than the sum of its proper divisors (2235873492).

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

1422501228 is a wasteful number, since it uses less digits than its factorization.

1422501228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067 (or 3062 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 1422501228 is about 37716.0606108326. The cubic root of 1422501228 is about 1124.6504205691.

Adding to 1422501228 its reverse (8221052241), we get a palindrome (9643553469).

The spelling of 1422501228 in words is "one billion, four hundred twenty-two million, five hundred one thousand, two hundred twenty-eight".