22661006 has 8 divisors (see below), whose sum is σ = 35163720. Its totient is φ = 10939768.

The previous prime is 22660997. The next prime is 22661027. The reversal of 22661006 is 60016622.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195296 + ... + 195411.

It is an arithmetic number, because the mean of its divisors is an integer number (4395465).

Almost surely, 2^22661006 is an apocalyptic number.

22661006 is a deficient number, since it is larger than the sum of its proper divisors (12502714).

22661006 is a wasteful number, since it uses less digits than its factorization.

22661006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390738.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 22661006 is about 4760.3577596647. The cubic root of 22661006 is about 282.9825974557.

Adding to 22661006 its reverse (60016622), we get a palindrome (82677628).

The spelling of 22661006 in words is "twenty-two million, six hundred sixty-one thousand, six".