22651206 has 8 divisors (see below), whose sum is σ = 45302424. Its totient is φ = 7550400.

The previous prime is 22651199. The next prime is 22651207. The reversal of 22651206 is 60215622.

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

22651206 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22651207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1887595 + ... + 1887606.

It is an arithmetic number, because the mean of its divisors is an integer number (5662803).

Almost surely, 2^22651206 is an apocalyptic number.

22651206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22651206 is a wasteful number, since it uses less digits than its factorization.

22651206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3775206.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 22651206 is about 4759.3283139536. The cubic root of 22651206 is about 282.9417986003.

Adding to 22651206 its reverse (60215622), we get a palindrome (82866828).

The spelling of 22651206 in words is "twenty-two million, six hundred fifty-one thousand, two hundred six".