22661411 has 4 divisors (see below), whose sum is σ = 22671072. Its totient is φ = 22651752.

The previous prime is 22661393. The next prime is 22661413. The reversal of 22661411 is 11416622.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22661411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22661413) 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, 1190 + ... + 6836.

It is an arithmetic number, because the mean of its divisors is an integer number (5667768).

Almost surely, 2^22661411 is an apocalyptic number.

22661411 is a deficient number, since it is larger than the sum of its proper divisors (9661).

22661411 is an equidigital number, since it uses as much as digits as its factorization.

22661411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9660.

The product of its digits is 576, while the sum is 23.

The square root of 22661411 is about 4760.4002982943. The cubic root of 22661411 is about 282.9842832777.

The spelling of 22661411 in words is "twenty-two million, six hundred sixty-one thousand, four hundred eleven".