1430222121 has 24 divisors (see below), whose sum is σ = 2193444864. Its totient is φ = 894913920.

The previous prime is 1430222113. The next prime is 1430222137. The reversal of 1430222121 is 1212220341.

It is a happy number.

1430222121 is a `hidden beast` number, since 1 + 430 + 22 + 212 + 1 = 666.

It is not a de Polignac number, because 1430222121 - 2³ = 1430222113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1430222094 and 1430222103.

It is not an unprimeable number, because it can be changed into a prime (1430222111) 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, 43416 + ... + 68886.

It is an arithmetic number, because the mean of its divisors is an integer number (91393536).

Almost surely, 2^1430222121 is an apocalyptic number.

It is an amenable number.

1430222121 is a deficient number, since it is larger than the sum of its proper divisors (763222743).

1430222121 is a wasteful number, since it uses less digits than its factorization.

1430222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25861 (or 25858 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1430222121 is about 37818.2776048831. The cubic root of 1430222121 is about 1126.6815008706.

Adding to 1430222121 its reverse (1212220341), we get a palindrome (2642442462).

The spelling of 1430222121 in words is "one billion, four hundred thirty million, two hundred twenty-two thousand, one hundred twenty-one".