1022421234 has 32 divisors (see below), whose sum is σ = 2097589824. Its totient is φ = 332055360.

The previous prime is 1022421233. The next prime is 1022421287. The reversal of 1022421234 is 4321242201.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1022421234.

It is not an unprimeable number, because it can be changed into a prime (1022421233) 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 15 ways as a sum of consecutive naturals, for example, 103912 + ... + 113324.

It is an arithmetic number, because the mean of its divisors is an integer number (65549682).

Almost surely, 2^1022421234 is an apocalyptic number.

1022421234 is an abundant number, since it is smaller than the sum of its proper divisors (1075168590).

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

1022421234 is a wasteful number, since it uses less digits than its factorization.

1022421234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9882.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1022421234 is about 31975.3222657724. The cubic root of 1022421234 is about 1007.4185733419.

Adding to 1022421234 its reverse (4321242201), we get a palindrome (5343663435).

The spelling of 1022421234 in words is "one billion, twenty-two million, four hundred twenty-one thousand, two hundred thirty-four".