22250450033440 has 24 divisors (see below), whose sum is σ = 52566688204380. Its totient is φ = 8900180013312.

The previous prime is 22250450033401. The next prime is 22250450033521. The reversal of 22250450033440 is 4433005405222.

It can be written as a sum of positive squares in 2 ways, for example, as 22225152494736 + 25297538704 = 4714356^2 + 159052^2 .

It is a super-2 number, since 2×22250450033440² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22250450033396 and 22250450033405.

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, 69532656195 + ... + 69532656514.

Almost surely, 2^{22250450033440} is an apocalyptic number.

22250450033440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22250450033440 is an abundant number, since it is smaller than the sum of its proper divisors (30316238170940).

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

22250450033440 is a wasteful number, since it uses less digits than its factorization.

22250450033440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139065312724 (or 139065312716 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 34.

Adding to 22250450033440 its reverse (4433005405222), we get a palindrome (26683455438662).

The spelling of 22250450033440 in words is "twenty-two trillion, two hundred fifty billion, four hundred fifty million, thirty-three thousand, four hundred forty".