22042420430 has 16 divisors (see below), whose sum is σ = 39678191280. Its totient is φ = 8816560512.

The previous prime is 22042420417. The next prime is 22042420457. The reversal of 22042420430 is 3402424022.

It is a junction number, because it is equal to n+sod(n) for n = 22042420396 and 22042420405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276086 + ... + 346854.

It is an arithmetic number, because the mean of its divisors is an integer number (2479886955).

Almost surely, 2^22042420430 is an apocalyptic number.

22042420430 is a deficient number, since it is larger than the sum of its proper divisors (17635770850).

22042420430 is a wasteful number, since it uses less digits than its factorization.

22042420430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101923.

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 22042420430 its reverse (3402424022), we get a palindrome (25444844452).

The spelling of 22042420430 in words is "twenty-two billion, forty-two million, four hundred twenty thousand, four hundred thirty".