22563026 has 4 divisors (see below), whose sum is σ = 33844542. Its totient is φ = 11281512.

The previous prime is 22563017. The next prime is 22563043. The reversal of 22563026 is 62036522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21631801 + 931225 = 4651^2 + 965^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22562986 and 22563004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5640755 + ... + 5640758.

Almost surely, 2^22563026 is an apocalyptic number.

22563026 is a deficient number, since it is larger than the sum of its proper divisors (11281516).

22563026 is a wasteful number, since it uses less digits than its factorization.

22563026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11281515.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 22563026 is about 4750.0553680984. The cubic root of 22563026 is about 282.5741617495.

Adding to 22563026 its reverse (62036522), we get a palindrome (84599548).

The spelling of 22563026 in words is "twenty-two million, five hundred sixty-three thousand, twenty-six".