22000155455 has 8 divisors (see below), whose sum is σ = 26532852000. Its totient is φ = 17511680736.

The previous prime is 22000155451. The next prime is 22000155493. The reversal of 22000155455 is 55455100022.

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

It is a cyclic number.

It is not a de Polignac number, because 22000155455 - 2² = 22000155451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000155451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11054360 + ... + 11056349.

It is an arithmetic number, because the mean of its divisors is an integer number (3316606500).

Almost surely, 2^22000155455 is an apocalyptic number.

22000155455 is a deficient number, since it is larger than the sum of its proper divisors (4532696545).

22000155455 is a wasteful number, since it uses less digits than its factorization.

22000155455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22110913.

The product of its (nonzero) digits is 10000, while the sum is 29.

Adding to 22000155455 its reverse (55455100022), we get a palindrome (77455255477).

The spelling of 22000155455 in words is "twenty-two billion, one hundred fifty-five thousand, four hundred fifty-five".