22222021024 has 24 divisors (see below), whose sum is σ = 49999547808. Its totient is φ = 9523723200.

The previous prime is 22222021013. The next prime is 22222021037. The reversal of 22222021024 is 42012022222.

It is a junction number, because it is equal to n+sod(n) for n = 22222020992 and 22222021010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49602502 + ... + 49602949.

It is an arithmetic number, because the mean of its divisors is an integer number (2083314492).

Almost surely, 2^22222021024 is an apocalyptic number.

It is an amenable number.

22222021024 is an abundant number, since it is smaller than the sum of its proper divisors (27777526784).

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

22222021024 is an equidigital number, since it uses as much as digits as its factorization.

22222021024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99205468 (or 99205460 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22222021024 its reverse (42012022222), we get a palindrome (64234043246).

The spelling of 22222021024 in words is "twenty-two billion, two hundred twenty-two million, twenty-one thousand, twenty-four".