1021442422 has 64 divisors (see below), whose sum is σ = 2070028800. Its totient is φ = 367230240.

The previous prime is 1021442393. The next prime is 1021442431. The reversal of 1021442422 is 2242441201.

It is a super-2 number, since 2×1021442422² = 2086689242922452168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1021442393 and 1021442402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 336829 + ... + 339847.

It is an arithmetic number, because the mean of its divisors is an integer number (32344200).

Almost surely, 2^1021442422 is an apocalyptic number.

1021442422 is an abundant number, since it is smaller than the sum of its proper divisors (1048586378).

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

1021442422 is a wasteful number, since it uses less digits than its factorization.

1021442422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3078 (or 3052 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1021442422 is about 31960.0128598222. The cubic root of 1021442422 is about 1007.0969876149.

Adding to 1021442422 its reverse (2242441201), we get a palindrome (3263883623).

The spelling of 1021442422 in words is "one billion, twenty-one million, four hundred forty-two thousand, four hundred twenty-two".