22202454128 has 20 divisors (see below), whose sum is σ = 43172560440. Its totient is φ = 11061148224.

The previous prime is 22202454119. The next prime is 22202454163. The reversal of 22202454128 is 82145420222.

It is a junction number, because it is equal to n+sod(n) for n = 22202454094 and 22202454103.

It is a congruent number.

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, 2500358 + ... + 2509221.

It is an arithmetic number, because the mean of its divisors is an integer number (2158628022).

Almost surely, 2^22202454128 is an apocalyptic number.

It is an amenable number.

22202454128 is a deficient number, since it is larger than the sum of its proper divisors (20970106312).

22202454128 is a wasteful number, since it uses less digits than its factorization.

22202454128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5009864 (or 5009858 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 32.

The spelling of 22202454128 in words is "twenty-two billion, two hundred two million, four hundred fifty-four thousand, one hundred twenty-eight".