22406106555 has 48 divisors (see below), whose sum is σ = 44800314624. Its totient is φ = 10147049280.

The previous prime is 22406106521. The next prime is 22406106557. The reversal of 22406106555 is 55560160422.

22406106555 is a `hidden beast` number, since 2 + 2 + 40 + 61 + 0 + 6 + 555 = 666.

It is not a de Polignac number, because 22406106555 - 2⁹ = 22406106043 is a prime.

It is a super-2 number, since 2×22406106555² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22406106557) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 298681 + ... + 366090.

It is an arithmetic number, because the mean of its divisors is an integer number (933339888).

Almost surely, 2^22406106555 is an apocalyptic number.

22406106555 is a deficient number, since it is larger than the sum of its proper divisors (22394208069).

22406106555 is a wasteful number, since it uses less digits than its factorization.

22406106555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664896 (or 664893 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 22406106555 its reverse (55560160422), we get a palindrome (77966266977).

The spelling of 22406106555 in words is "twenty-two billion, four hundred six million, one hundred six thousand, five hundred fifty-five".