1421422224 has 120 divisors (see below), whose sum is σ = 4106775840. Its totient is φ = 422387712.

The previous prime is 1421422193. The next prime is 1421422231. The reversal of 1421422224 is 4222241241.

It is a happy number.

It is a super-2 number, since 2×1421422224² = 4040882277762212352, which contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1421422194 and 1421422203.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 260872 + ... + 266264.

It is an arithmetic number, because the mean of its divisors is an integer number (34223132).

Almost surely, 2^1421422224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421422224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2053387920).

1421422224 is an abundant number, since it is smaller than the sum of its proper divisors (2685353616).

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

1421422224 is a wasteful number, since it uses less digits than its factorization.

1421422224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5457 (or 5434 counting only the distinct ones).

The product of its digits is 2048, while the sum is 24.

The square root of 1421422224 is about 37701.7535931686. The cubic root of 1421422224 is about 1124.3659898232.

Adding to 1421422224 its reverse (4222241241), we get a palindrome (5643663465).

The spelling of 1421422224 in words is "one billion, four hundred twenty-one million, four hundred twenty-two thousand, two hundred twenty-four".