1022210442 has 160 divisors (see below), whose sum is σ = 2713544064. Its totient is φ = 284083200.

The previous prime is 1022210437. The next prime is 1022210447. The reversal of 1022210442 is 2440122201.

1022210442 is a `hidden beast` number, since 1 + 0 + 2 + 221 + 0 + 442 = 666.

It is an interprime number because it is at equal distance from previous prime (1022210437) and next prime (1022210447).

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 (1022210447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1241643 + ... + 1242465.

Almost surely, 2^1022210442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022210442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1356772032).

1022210442 is an abundant number, since it is smaller than the sum of its proper divisors (1691333622).

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

1022210442 is a wasteful number, since it uses less digits than its factorization.

1022210442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 897 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1022210442 is about 31972.0259289273. The cubic root of 1022210442 is about 1007.3493356135.

Adding to 1022210442 its reverse (2440122201), we get a palindrome (3462332643).

The spelling of 1022210442 in words is "one billion, twenty-two million, two hundred ten thousand, four hundred forty-two".