22021012430 has 16 divisors (see below), whose sum is σ = 39843203184. Its totient is φ = 8762764800.

The previous prime is 22021012423. The next prime is 22021012487. The reversal of 22021012430 is 3421012022.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22021012399 and 22021012408.

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 7 ways as a sum of consecutive naturals, for example, 5702996 + ... + 5706855.

It is an arithmetic number, because the mean of its divisors is an integer number (2490200199).

Almost surely, 2^22021012430 is an apocalyptic number.

22021012430 is a deficient number, since it is larger than the sum of its proper divisors (17822190754).

22021012430 is a wasteful number, since it uses less digits than its factorization.

22021012430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11410051.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22021012430 its reverse (3421012022), we get a palindrome (25442024452).

The spelling of 22021012430 in words is "twenty-two billion, twenty-one million, twelve thousand, four hundred thirty".