22056142461 has 4 divisors (see below), whose sum is σ = 29408189952. Its totient is φ = 14704094972.

The previous prime is 22056142441. The next prime is 22056142487. The reversal of 22056142461 is 16424165022.

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 22056142461 - 2⁹ = 22056141949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22056142411) 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, 3676023741 + ... + 3676023746.

It is an arithmetic number, because the mean of its divisors is an integer number (7352047488).

Almost surely, 2^22056142461 is an apocalyptic number.

It is an amenable number.

22056142461 is a deficient number, since it is larger than the sum of its proper divisors (7352047491).

22056142461 is an equidigital number, since it uses as much as digits as its factorization.

22056142461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7352047490.

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 22056142461 in words is "twenty-two billion, fifty-six million, one hundred forty-two thousand, four hundred sixty-one".