22215536416154 has 4 divisors (see below), whose sum is σ = 33323304624234. Its totient is φ = 11107768208076.

The previous prime is 22215536416123. The next prime is 22215536416159. The reversal of 22215536416154 is 45161463551222.

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., 12583855201129 + 9631681215025 = 3547373^2 + 3103495^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22215536416099 and 22215536416108.

It is not an unprimeable number, because it can be changed into a prime (22215536416159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5553884104037 + ... + 5553884104040.

Almost surely, 2^{22215536416154} is an apocalyptic number.

22215536416154 is a deficient number, since it is larger than the sum of its proper divisors (11107768208080).

22215536416154 is a wasteful number, since it uses less digits than its factorization.

22215536416154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11107768208079.

The product of its digits is 1728000, while the sum is 47.

Adding to 22215536416154 its reverse (45161463551222), we get a palindrome (67376999967376).

The spelling of 22215536416154 in words is "twenty-two trillion, two hundred fifteen billion, five hundred thirty-six million, four hundred sixteen thousand, one hundred fifty-four".