20222486 has 24 divisors (see below), whose sum is σ = 32824440. Its totient is φ = 9339392.

The previous prime is 20222473. The next prime is 20222557. The reversal of 20222486 is 68422202.

It is a Curzon number.

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, 33806 + ... + 34398.

It is an arithmetic number, because the mean of its divisors is an integer number (1367685).

Almost surely, 2^20222486 is an apocalyptic number.

20222486 is a deficient number, since it is larger than the sum of its proper divisors (12601954).

20222486 is a wasteful number, since it uses less digits than its factorization.

20222486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 20222486 is about 4496.9418497463. The cubic root of 20222486 is about 272.4445854269. Note that the first 3 decimals are identical.

Adding to 20222486 its reverse (68422202), we get a palindrome (88644688).

The spelling of 20222486 in words is "twenty million, two hundred twenty-two thousand, four hundred eighty-six".