22661026 has 8 divisors (see below), whose sum is σ = 35469504. Its totient is φ = 10837860.

The previous prime is 22660997. The next prime is 22661027. The reversal of 22661026 is 62016622.

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

It is not an unprimeable number, because it can be changed into a prime (22661027) 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, 246270 + ... + 246361.

It is an arithmetic number, because the mean of its divisors is an integer number (4433688).

Almost surely, 2^22661026 is an apocalyptic number.

22661026 is a deficient number, since it is larger than the sum of its proper divisors (12808478).

22661026 is a wasteful number, since it uses less digits than its factorization.

22661026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492656.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 22661026 is about 4760.3598603467. The cubic root of 22661026 is about 282.9826807066.

Adding to 22661026 its reverse (62016622), we get a palindrome (84677648).

The spelling of 22661026 in words is "twenty-two million, six hundred sixty-one thousand, twenty-six".