22083661 has 4 divisors (see below), whose sum is σ = 22096800. Its totient is φ = 22070524.

The previous prime is 22083653. The next prime is 22083667. The reversal of 22083661 is 16638022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22083661 - 2³ = 22083653 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 (22083667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3601 + ... + 7558.

It is an arithmetic number, because the mean of its divisors is an integer number (5524200).

Almost surely, 2^22083661 is an apocalyptic number.

It is an amenable number.

22083661 is a deficient number, since it is larger than the sum of its proper divisors (13139).

22083661 is a wasteful number, since it uses less digits than its factorization.

22083661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13138.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 22083661 is about 4699.3255899118. The cubic root of 22083661 is about 280.5586677446.

The spelling of 22083661 in words is "twenty-two million, eighty-three thousand, six hundred sixty-one".