22221786087266 has 8 divisors (see below), whose sum is σ = 33332837870784. Its totient is φ = 11110840130340.

The previous prime is 22221786087239. The next prime is 22221786087269. The reversal of 22221786087266 is 66278068712222.

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 (22221786087269) 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, 25929590 + ... + 26772881.

It is an arithmetic number, because the mean of its divisors is an integer number (4166604733848).

Almost surely, 2^{22221786087266} is an apocalyptic number.

22221786087266 is a deficient number, since it is larger than the sum of its proper divisors (11111051783518).

22221786087266 is a wasteful number, since it uses less digits than its factorization.

22221786087266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52913296.

The product of its (nonzero) digits is 21676032, while the sum is 59.

The spelling of 22221786087266 in words is "twenty-two trillion, two hundred twenty-one billion, seven hundred eighty-six million, eighty-seven thousand, two hundred sixty-six".