22220600440 has 16 divisors (see below), whose sum is σ = 49996351080. Its totient is φ = 8888240160.

The previous prime is 22220600419. The next prime is 22220600443. The reversal of 22220600440 is 4400602222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220600443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277757466 + ... + 277757545.

Almost surely, 2^22220600440 is an apocalyptic number.

22220600440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220600440 is an abundant number, since it is smaller than the sum of its proper divisors (27775750640).

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

22220600440 is a wasteful number, since it uses less digits than its factorization.

22220600440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555515022 (or 555515018 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The spelling of 22220600440 in words is "twenty-two billion, two hundred twenty million, six hundred thousand, four hundred forty".