22004021434 has 32 divisors (see below), whose sum is σ = 35976254976. Its totient is φ = 10051349760.

The previous prime is 22004021401. The next prime is 22004021437. The reversal of 22004021434 is 43412040022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22004021437) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 521907 + ... + 562489.

It is an arithmetic number, because the mean of its divisors is an integer number (1124257968).

Almost surely, 2^22004021434 is an apocalyptic number.

22004021434 is a deficient number, since it is larger than the sum of its proper divisors (13972233542).

22004021434 is a wasteful number, since it uses less digits than its factorization.

22004021434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41070.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22004021434 its reverse (43412040022), we get a palindrome (65416061456).

The spelling of 22004021434 in words is "twenty-two billion, four million, twenty-one thousand, four hundred thirty-four".