1020421222 has 8 divisors (see below), whose sum is σ = 1533571272. Its totient is φ = 509230800.

The previous prime is 1020421219. The next prime is 1020421247. The reversal of 1020421222 is 2221240201.

1020421222 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 a super-3 number, since 3×1020421222³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020421196 and 1020421205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488604 + ... + 490687.

It is an arithmetic number, because the mean of its divisors is an integer number (191696409).

Almost surely, 2^1020421222 is an apocalyptic number.

1020421222 is a deficient number, since it is larger than the sum of its proper divisors (513150050).

1020421222 is an equidigital number, since it uses as much as digits as its factorization.

1020421222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979814.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1020421222 is about 31944.0326508724. The cubic root of 1020421222 is about 1006.7612563828.

Adding to 1020421222 its reverse (2221240201), we get a palindrome (3241661423).

The spelling of 1020421222 in words is "one billion, twenty million, four hundred twenty-one thousand, two hundred twenty-two".