22421253020 has 24 divisors (see below), whose sum is σ = 47109795264. Its totient is φ = 8963708096.

The previous prime is 22421252981. The next prime is 22421253079. The reversal of 22421253020 is 2035212422.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 261092 + ... + 336171.

It is an arithmetic number, because the mean of its divisors is an integer number (1962908136).

Almost surely, 2^22421253020 is an apocalyptic number.

22421253020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22421253020 is an abundant number, since it is smaller than the sum of its proper divisors (24688542244).

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

22421253020 is a wasteful number, since it uses less digits than its factorization.

22421253020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599149 (or 599147 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 22421253020 its reverse (2035212422), we get a palindrome (24456465442).

The spelling of 22421253020 in words is "twenty-two billion, four hundred twenty-one million, two hundred fifty-three thousand, twenty".