2022426 has 36 divisors (see below), whose sum is σ = 5099562. Its totient is φ = 577584.

The previous prime is 2022421. The next prime is 2022469. The reversal of 2022426 is 6242202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1863225 + 159201 = 1365^2 + 399^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2022399 and 2022408.

It is not an unprimeable number, because it can be changed into a prime (2022421) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 265 + ... + 2028.

2^2022426 is an apocalyptic number.

2022426 is an abundant number, since it is smaller than the sum of its proper divisors (3077136).

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

2022426 is a wasteful number, since it uses less digits than its factorization.

2022426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315 (or 2305 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2022426 is about 1422.1202480803. The cubic root of 2022426 is about 126.4612722350.

Adding to 2022426 its reverse (6242202), we get a palindrome (8264628).

It can be divided in two parts, 202 and 2426, that added together give a triangular number (2628 = T₇₂).

The spelling of 2022426 in words is "two million, twenty-two thousand, four hundred twenty-six".