22151340533266 has 32 divisors (see below), whose sum is σ = 38861114738688. Its totient is φ = 9271633245840.

The previous prime is 22151340533261. The next prime is 22151340533447. The reversal of 22151340533266 is 66233504315122.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (22151340533261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3458901 + ... + 7501111.

It is an arithmetic number, because the mean of its divisors is an integer number (1214409835584).

Almost surely, 2^{22151340533266} is an apocalyptic number.

22151340533266 is a deficient number, since it is larger than the sum of its proper divisors (16709774205422).

22151340533266 is a wasteful number, since it uses less digits than its factorization.

22151340533266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4051366.

The product of its (nonzero) digits is 777600, while the sum is 43.

Adding to 22151340533266 its reverse (66233504315122), we get a palindrome (88384844848388).

The spelling of 22151340533266 in words is "twenty-two trillion, one hundred fifty-one billion, three hundred forty million, five hundred thirty-three thousand, two hundred sixty-six".