22455573537 has 4 divisors (see below), whose sum is σ = 29940764720. Its totient is φ = 14970382356.

The previous prime is 22455573533. The next prime is 22455573631. The reversal of 22455573537 is 73537555422.

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 22455573537 - 2² = 22455573533 is a prime.

It is a super-2 number, since 2×22455573537² (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 (22455573533) 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 3 ways as a sum of consecutive naturals, for example, 3742595587 + ... + 3742595592.

It is an arithmetic number, because the mean of its divisors is an integer number (7485191180).

Almost surely, 2^22455573537 is an apocalyptic number.

It is an amenable number.

22455573537 is a deficient number, since it is larger than the sum of its proper divisors (7485191183).

22455573537 is an equidigital number, since it uses as much as digits as its factorization.

22455573537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7485191182.

The product of its digits is 4410000, while the sum is 48.

The spelling of 22455573537 in words is "twenty-two billion, four hundred fifty-five million, five hundred seventy-three thousand, five hundred thirty-seven".