1022430021 has 8 divisors (see below), whose sum is σ = 1368092544. Its totient is φ = 679193760.

The previous prime is 1022430011. The next prime is 1022430053. The reversal of 1022430021 is 1200342201.

1022430021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1022430021 - 2⁹ = 1022429509 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022430011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605581 + ... + 607266.

It is an arithmetic number, because the mean of its divisors is an integer number (171011568).

Almost surely, 2^1022430021 is an apocalyptic number.

It is an amenable number.

1022430021 is a deficient number, since it is larger than the sum of its proper divisors (345662523).

1022430021 is a wasteful number, since it uses less digits than its factorization.

1022430021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213131.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1022430021 is about 31975.4596683144. The cubic root of 1022430021 is about 1007.4214593545.

Adding to 1022430021 its reverse (1200342201), we get a palindrome (2222772222).

The spelling of 1022430021 in words is "one billion, twenty-two million, four hundred thirty thousand, twenty-one".