22425325204420 has 24 divisors (see below), whose sum is σ = 47103787300248. Its totient is φ = 8968110201600.

The previous prime is 22425325204417. The next prime is 22425325204463. The reversal of 22425325204420 is 2440252352422.

It can be written as a sum of positive squares in 4 ways, for example, as 1838106869824 + 20587218334596 = 1355768^2 + 4537314^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22425325204420.

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, 126151471 + ... + 126329110.

It is an arithmetic number, because the mean of its divisors is an integer number (1962657804177).

Almost surely, 2^{22425325204420} is an apocalyptic number.

22425325204420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22425325204420 is an abundant number, since it is smaller than the sum of its proper divisors (24678462095828).

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

22425325204420 is a wasteful number, since it uses less digits than its factorization.

22425325204420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252485031 (or 252485029 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 37.

Adding to 22425325204420 its reverse (2440252352422), we get a palindrome (24865577556842).

The spelling of 22425325204420 in words is "twenty-two trillion, four hundred twenty-five billion, three hundred twenty-five million, two hundred four thousand, four hundred twenty".