22541144555 has 4 divisors (see below), whose sum is σ = 27049373472. Its totient is φ = 18032915640.

The previous prime is 22541144537. The next prime is 22541144567. The reversal of 22541144555 is 55544114522.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22541144555 - 2⁶ = 22541144491 is a prime.

It is a super-2 number, since 2×22541144555² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2254114451 + ... + 2254114460.

It is an arithmetic number, because the mean of its divisors is an integer number (6762343368).

Almost surely, 2^22541144555 is an apocalyptic number.

22541144555 is a deficient number, since it is larger than the sum of its proper divisors (4508228917).

22541144555 is an equidigital number, since it uses as much as digits as its factorization.

22541144555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4508228916.

The product of its digits is 160000, while the sum is 38.

The spelling of 22541144555 in words is "twenty-two billion, five hundred forty-one million, one hundred forty-four thousand, five hundred fifty-five".