22761226 has 8 divisors (see below), whose sum is σ = 34291620. Its totient is φ = 11330688.

The previous prime is 22761199. The next prime is 22761227. The reversal of 22761226 is 62216722.

It can be written as a sum of positive squares in 2 ways, for example, as 22572001 + 189225 = 4751^2 + 435^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22761194 and 22761203.

It is not an unprimeable number, because it can be changed into a prime (22761227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24391 + ... + 25306.

Almost surely, 2^22761226 is an apocalyptic number.

22761226 is a deficient number, since it is larger than the sum of its proper divisors (11530394).

22761226 is a wasteful number, since it uses less digits than its factorization.

22761226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49928.

The product of its digits is 4032, while the sum is 28.

The square root of 22761226 is about 4770.8726665045. The cubic root of 22761226 is about 283.3991545656.

Adding to 22761226 its reverse (62216722), we get a palindrome (84977948).

The spelling of 22761226 in words is "twenty-two million, seven hundred sixty-one thousand, two hundred twenty-six".