22155523466 has 8 divisors (see below), whose sum is σ = 33234564324. Its totient is φ = 11077335360.

The previous prime is 22155523463. The next prime is 22155523487. The reversal of 22155523466 is 66432555122.

It can be written as a sum of positive squares in 2 ways, for example, as 22150071241 + 5452225 = 148829^2 + 2335^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22155523463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143705 + ... + 254876.

Almost surely, 2^22155523466 is an apocalyptic number.

22155523466 is a deficient number, since it is larger than the sum of its proper divisors (11079040858).

22155523466 is a wasteful number, since it uses less digits than its factorization.

22155523466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426376.

The product of its digits is 432000, while the sum is 41.

The spelling of 22155523466 in words is "twenty-two billion, one hundred fifty-five million, five hundred twenty-three thousand, four hundred sixty-six".