22880661 has 4 divisors (see below), whose sum is σ = 30507552. Its totient is φ = 15253772.

The previous prime is 22880633. The next prime is 22880677. The reversal of 22880661 is 16608822.

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 22880661 - 2⁹ = 22880149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22880621) 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, 3813441 + ... + 3813446.

It is an arithmetic number, because the mean of its divisors is an integer number (7626888).

Almost surely, 2^22880661 is an apocalyptic number.

It is an amenable number.

22880661 is a deficient number, since it is larger than the sum of its proper divisors (7626891).

22880661 is an equidigital number, since it uses as much as digits as its factorization.

22880661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7626890.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 22880661 is about 4783.3733912376. The cubic root of 22880661 is about 283.8939836059.

The spelling of 22880661 in words is "twenty-two million, eight hundred eighty thousand, six hundred sixty-one".