22572026 has 4 divisors (see below), whose sum is σ = 33858042. Its totient is φ = 11286012.

The previous prime is 22571987. The next prime is 22572029. The reversal of 22572026 is 62027522.

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., 22572001 + 25 = 4751^2 + 5^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22571986 and 22572004.

It is not an unprimeable number, because it can be changed into a prime (22572029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5643005 + ... + 5643008.

Almost surely, 2^22572026 is an apocalyptic number.

22572026 is a deficient number, since it is larger than the sum of its proper divisors (11286016).

22572026 is a wasteful number, since it uses less digits than its factorization.

22572026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11286015.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 22572026 is about 4751.0026310243. The cubic root of 22572026 is about 282.6117280669.

Adding to 22572026 its reverse (62027522), we get a palindrome (84599548).

The spelling of 22572026 in words is "twenty-two million, five hundred seventy-two thousand, twenty-six".