22640486 has 8 divisors (see below), whose sum is σ = 37048104. Its totient is φ = 10291120.

The previous prime is 22640477. The next prime is 22640539. The reversal of 22640486 is 68404622.

It is a happy number.

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

It is a super-3 number, since 3×22640486³ (a number of 23 digits) contains 333 as substring.

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, 514535 + ... + 514578.

It is an arithmetic number, because the mean of its divisors is an integer number (4631013).

Almost surely, 2^22640486 is an apocalyptic number.

22640486 is a deficient number, since it is larger than the sum of its proper divisors (14407618).

22640486 is a wasteful number, since it uses less digits than its factorization.

22640486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029126.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 22640486 is about 4758.2019713333. The cubic root of 22640486 is about 282.8971561693.

The spelling of 22640486 in words is "twenty-two million, six hundred forty thousand, four hundred eighty-six".