22231006 has 24 divisors (see below), whose sum is σ = 39845736. Its totient is φ = 9268560.

The previous prime is 22230997. The next prime is 22231037. The reversal of 22231006 is 60013222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 561 + ... + 6691.

It is an arithmetic number, because the mean of its divisors is an integer number (1660239).

Almost surely, 2^22231006 is an apocalyptic number.

22231006 is a deficient number, since it is larger than the sum of its proper divisors (17614730).

22231006 is a wasteful number, since it uses less digits than its factorization.

22231006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6184 (or 6177 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 22231006 is about 4714.9767761888. The cubic root of 22231006 is about 281.1812595132.

Adding to 22231006 its reverse (60013222), we get a palindrome (82244228).

The spelling of 22231006 in words is "twenty-two million, two hundred thirty-one thousand, six".