22068661 has 8 divisors (see below), whose sum is σ = 23373504. Its totient is φ = 20792640.

The previous prime is 22068659. The next prime is 22068667. The reversal of 22068661 is 16686022.

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

It is a cyclic number.

It is not a de Polignac number, because 22068661 - 2¹ = 22068659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22068667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5620 + ... + 8701.

It is an arithmetic number, because the mean of its divisors is an integer number (2921688).

Almost surely, 2^22068661 is an apocalyptic number.

It is an amenable number.

22068661 is a deficient number, since it is larger than the sum of its proper divisors (1304843).

22068661 is a wasteful number, since it uses less digits than its factorization.

22068661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14411.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 22068661 is about 4697.7293451198. The cubic root of 22068661 is about 280.4951315824.

The spelling of 22068661 in words is "twenty-two million, sixty-eight thousand, six hundred sixty-one".