22000010021992 has 8 divisors (see below), whose sum is σ = 41250018791250. Its totient is φ = 11000005010992.

The previous prime is 22000010021971. The next prime is 22000010022031. The reversal of 22000010021992 is 29912001000022.

It can be written as a sum of positive squares in only one way, i.e., 20727386874756 + 1272623147236 = 4552734^2 + 1128106^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 22000010021992.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375000626367 + ... + 1375000626382.

Almost surely, 2^{22000010021992} is an apocalyptic number.

It is an amenable number.

22000010021992 is a deficient number, since it is larger than the sum of its proper divisors (19250008769258).

22000010021992 is a wasteful number, since it uses less digits than its factorization.

22000010021992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750001252755 (or 2750001252751 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 22000010021992 in words is "twenty-two trillion, ten million, twenty-one thousand, nine hundred ninety-two".