22000055000066 has 32 divisors (see below), whose sum is σ = 38810267270208. Its totient is φ = 9221044789440.

The previous prime is 22000055000041. The next prime is 22000055000113. The reversal of 22000055000066 is 66000055000022.

It is a happy number.

It is a super-4 number, since 4×22000055000066⁴ (a number of 54 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22000054999999 and 22000055000044.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40343345 + ... + 40885028.

It is an arithmetic number, because the mean of its divisors is an integer number (1212820852194).

Almost surely, 2^{22000055000066} is an apocalyptic number.

22000055000066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22000055000066 is a deficient number, since it is larger than the sum of its proper divisors (16810212270142).

22000055000066 is a wasteful number, since it uses less digits than its factorization.

22000055000066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81229346.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 22000055000066 in words is "twenty-two trillion, fifty-five million, sixty-six", and thus it is an aban number and an uban number.