22555545450 has 24 divisors (see below), whose sum is σ = 55937753088. Its totient is φ = 6014812080.

The previous prime is 22555545433. The next prime is 22555545473. The reversal of 22555545450 is 5454555522.

It is a happy number.

It is a super-3 number, since 3×22555545450³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75185002 + ... + 75185301.

It is an arithmetic number, because the mean of its divisors is an integer number (2330739712).

Almost surely, 2^22555545450 is an apocalyptic number.

22555545450 is an abundant number, since it is smaller than the sum of its proper divisors (33382207638).

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

22555545450 is a wasteful number, since it uses less digits than its factorization.

22555545450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150370318 (or 150370313 counting only the distinct ones).

The product of its (nonzero) digits is 1000000, while the sum is 42.

The spelling of 22555545450 in words is "twenty-two billion, five hundred fifty-five million, five hundred forty-five thousand, four hundred fifty".