22220236466354 has 4 divisors (see below), whose sum is σ = 33330354699534. Its totient is φ = 11110118233176.

The previous prime is 22220236466317. The next prime is 22220236466359. The reversal of 22220236466354 is 45366463202222.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 16831695996025 + 5388540470329 = 4102645^2 + 2321323^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22220236466299 and 22220236466308.

It is not an unprimeable number, because it can be changed into a prime (22220236466359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555059116587 + ... + 5555059116590.

Almost surely, 2^{22220236466354} is an apocalyptic number.

22220236466354 is a deficient number, since it is larger than the sum of its proper divisors (11110118233180).

22220236466354 is a wasteful number, since it uses less digits than its factorization.

22220236466354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11110118233179.

The product of its (nonzero) digits is 4976640, while the sum is 47.

Adding to 22220236466354 its reverse (45366463202222), we get a palindrome (67586699668576).

The spelling of 22220236466354 in words is "twenty-two trillion, two hundred twenty billion, two hundred thirty-six million, four hundred sixty-six thousand, three hundred fifty-four".