22425443540 has 48 divisors (see below), whose sum is σ = 47470307472. Its totient is φ = 8898579456.

The previous prime is 22425443497. The next prime is 22425443609. The reversal of 22425443540 is 4534452422.

It can be written as a sum of positive squares in 8 ways, for example, as 21939856 + 22403503684 = 4684^2 + 149678^2 .

It is a super-3 number, since 3×22425443540³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22425443540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2044952 + ... + 2055888.

It is an arithmetic number, because the mean of its divisors is an integer number (988964739).

Almost surely, 2^22425443540 is an apocalyptic number.

22425443540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22425443540 is an abundant number, since it is smaller than the sum of its proper divisors (25044863932).

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

22425443540 is a wasteful number, since it uses less digits than its factorization.

22425443540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11756 (or 11754 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 22425443540 its reverse (4534452422), we get a palindrome (26959895962).

The spelling of 22425443540 in words is "twenty-two billion, four hundred twenty-five million, four hundred forty-three thousand, five hundred forty".