22565002061 has 8 divisors (see below), whose sum is σ = 26078333760. Its totient is φ = 19124110368.

The previous prime is 22565002049. The next prime is 22565002063. The reversal of 22565002061 is 16020056522.

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 22565002061 - 2⁶ = 22565001997 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 (22565002063) 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, 18109331 + ... + 18110576.

It is an arithmetic number, because the mean of its divisors is an integer number (3259791720).

Almost surely, 2^22565002061 is an apocalyptic number.

It is an amenable number.

22565002061 is a deficient number, since it is larger than the sum of its proper divisors (3513331699).

22565002061 is an equidigital number, since it uses as much as digits as its factorization.

22565002061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36220003.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 22565002061 its reverse (16020056522), we get a palindrome (38585058583).

The spelling of 22565002061 in words is "twenty-two billion, five hundred sixty-five million, two thousand, sixty-one".