1022530212 has 144 divisors (see below), whose sum is σ = 3004852032. Its totient is φ = 289751040.

The previous prime is 1022530211. The next prime is 1022530237. The reversal of 1022530212 is 2120352201.

1022530212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1022530211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1298883 + ... + 1299669.

It is an arithmetic number, because the mean of its divisors is an integer number (20867028).

Almost surely, 2^1022530212 is an apocalyptic number.

1022530212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022530212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1502426016).

1022530212 is an abundant number, since it is smaller than the sum of its proper divisors (1982321820).

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

1022530212 is a wasteful number, since it uses less digits than its factorization.

1022530212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018 (or 1013 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1022530212 is about 31977.0263157786. The cubic root of 1022530212 is about 1007.4543650350.

Adding to 1022530212 its reverse (2120352201), we get a palindrome (3142882413).

The spelling of 1022530212 in words is "one billion, twenty-two million, five hundred thirty thousand, two hundred twelve".