22504505061 has 4 divisors (see below), whose sum is σ = 30006006752. Its totient is φ = 15003003372.

The previous prime is 22504505053. The next prime is 22504505071. The reversal of 22504505061 is 16050540522.

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 not a de Polignac number, because 22504505061 - 2³ = 22504505053 is a prime.

It is a super-2 number, since 2×22504505061² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22504505071) 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, 3750750841 + ... + 3750750846.

It is an arithmetic number, because the mean of its divisors is an integer number (7501501688).

Almost surely, 2^22504505061 is an apocalyptic number.

It is an amenable number.

22504505061 is a deficient number, since it is larger than the sum of its proper divisors (7501501691).

22504505061 is an equidigital number, since it uses as much as digits as its factorization.

22504505061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7501501690.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 22504505061 in words is "twenty-two billion, five hundred four million, five hundred five thousand, sixty-one".