22414166561 has 4 divisors (see below), whose sum is σ = 23137204224. Its totient is φ = 21691128900.

The previous prime is 22414166557. The next prime is 22414166573. The reversal of 22414166561 is 16566141422.

It is a happy number.

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 22414166561 - 2² = 22414166557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22414166531) 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, 361518785 + ... + 361518846.

It is an arithmetic number, because the mean of its divisors is an integer number (5784301056).

Almost surely, 2^22414166561 is an apocalyptic number.

It is an amenable number.

22414166561 is a deficient number, since it is larger than the sum of its proper divisors (723037663).

22414166561 is an equidigital number, since it uses as much as digits as its factorization.

22414166561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723037662.

The product of its digits is 69120, while the sum is 38.

The spelling of 22414166561 in words is "twenty-two billion, four hundred fourteen million, one hundred sixty-six thousand, five hundred sixty-one".