22155355234 has 8 divisors (see below), whose sum is σ = 33251739948. Its totient is φ = 11071441920.

The previous prime is 22155355231. The next prime is 22155355259. The reversal of 22155355234 is 43255355122.

It can be written as a sum of positive squares in 2 ways, for example, as 20462444209 + 1692911025 = 143047^2 + 41145^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 22155355193 and 22155355202.

It is not an unprimeable number, because it can be changed into a prime (22155355231) 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, 3113407 + ... + 3120514.

Almost surely, 2^22155355234 is an apocalyptic number.

22155355234 is a deficient number, since it is larger than the sum of its proper divisors (11096384714).

22155355234 is a wasteful number, since it uses less digits than its factorization.

22155355234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6235700.

The product of its digits is 180000, while the sum is 37.

The spelling of 22155355234 in words is "twenty-two billion, one hundred fifty-five million, three hundred fifty-five thousand, two hundred thirty-four".