22555545451 has 4 divisors (see below), whose sum is σ = 22673637504. Its totient is φ = 22437453400.

The previous prime is 22555545433. The next prime is 22555545473. The reversal of 22555545451 is 15454555522.

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

It is a cyclic number.

It is not a de Polignac number, because 22555545451 - 2¹⁷ = 22555414379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22555545398 and 22555545407.

It is not an unprimeable number, because it can be changed into a prime (22555546451) 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, 59045740 + ... + 59046121.

It is an arithmetic number, because the mean of its divisors is an integer number (5668409376).

Almost surely, 2^22555545451 is an apocalyptic number.

22555545451 is a deficient number, since it is larger than the sum of its proper divisors (118092053).

22555545451 is a wasteful number, since it uses less digits than its factorization.

22555545451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118092052.

The product of its digits is 1000000, while the sum is 43.

The spelling of 22555545451 in words is "twenty-two billion, five hundred fifty-five million, five hundred forty-five thousand, four hundred fifty-one".