22456547427 has 8 divisors (see below), whose sum is σ = 30638390464. Its totient is φ = 14622868008.

The previous prime is 22456547423. The next prime is 22456547437. The reversal of 22456547427 is 72474565422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22456547427 - 2² = 22456547423 is a prime.

It is a super-2 number, since 2×22456547427² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22456547423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87040753 + ... + 87041010.

It is an arithmetic number, because the mean of its divisors is an integer number (3829798808).

Almost surely, 2^22456547427 is an apocalyptic number.

22456547427 is a deficient number, since it is larger than the sum of its proper divisors (8181843037).

22456547427 is a wasteful number, since it uses less digits than its factorization.

22456547427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174081809.

The product of its digits is 3763200, while the sum is 48.

The spelling of 22456547427 in words is "twenty-two billion, four hundred fifty-six million, five hundred forty-seven thousand, four hundred twenty-seven".