22354426 has 16 divisors (see below), whose sum is σ = 34450920. Its totient is φ = 10874880.

The previous prime is 22354417. The next prime is 22354433. The reversal of 22354426 is 62445322.

It can be written as a sum of positive squares in 4 ways, for example, as 12425625 + 9928801 = 3525^2 + 3151^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22354394 and 22354403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10890 + ... + 12778.

Almost surely, 2^22354426 is an apocalyptic number.

22354426 is a deficient number, since it is larger than the sum of its proper divisors (12096494).

22354426 is a wasteful number, since it uses less digits than its factorization.

22354426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049.

The product of its digits is 11520, while the sum is 28.

The square root of 22354426 is about 4728.0467425777. The cubic root of 22354426 is about 281.7006447267.

Adding to 22354426 its reverse (62445322), we get a palindrome (84799748).

The spelling of 22354426 in words is "twenty-two million, three hundred fifty-four thousand, four hundred twenty-six".