1022043220 has 24 divisors (see below), whose sum is σ = 2341408608. Its totient is φ = 371652000.

The previous prime is 1022043161. The next prime is 1022043229. The reversal of 1022043220 is 223402201.

1022043220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1022043194 and 1022043203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022043229) 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, 2322606 + ... + 2323045.

It is an arithmetic number, because the mean of its divisors is an integer number (97558692).

Almost surely, 2^1022043220 is an apocalyptic number.

1022043220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022043220 is an abundant number, since it is smaller than the sum of its proper divisors (1319365388).

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

1022043220 is a wasteful number, since it uses less digits than its factorization.

1022043220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4645671 (or 4645669 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1022043220 is about 31969.4106920975. The cubic root of 1022043220 is about 1007.2944023205.

Adding to 1022043220 its reverse (223402201), we get a palindrome (1245445421).

The spelling of 1022043220 in words is "one billion, twenty-two million, forty-three thousand, two hundred twenty".