2022223009428 has 18 divisors (see below), whose sum is σ = 5111730385034. Its totient is φ = 674074336464.

The previous prime is 2022223009423. The next prime is 2022223009481. The reversal of 2022223009428 is 8249003222202.

2022223009428 is a `hidden beast` number, since 2 + 0 + 2 + 2 + 223 + 0 + 0 + 9 + 428 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1341825690384 + 680397319044 = 1158372^2 + 824862^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 56172861373 = 2022223009428 / (2 + 0 + 2 + 2 + 2 + 2 + 3 + 0 + 0 + 9 + 4 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 2022223009392 and 2022223009401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022223009423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28086430651 + ... + 28086430722.

Almost surely, 2^{2022223009428} is an apocalyptic number.

It is an amenable number.

2022223009428 is an abundant number, since it is smaller than the sum of its proper divisors (3089507375606).

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

2022223009428 is a wasteful number, since it uses less digits than its factorization.

2022223009428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56172861383 (or 56172861378 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 2022223009428 in words is "two trillion, twenty-two billion, two hundred twenty-three million, nine thousand, four hundred twenty-eight".