22472947466 has 16 divisors (see below), whose sum is σ = 33789155400. Its totient is φ = 11209920768.

The previous prime is 22472947423. The next prime is 22472947507. The reversal of 22472947466 is 66474927422.

It can be written as a sum of positive squares in 4 ways, for example, as 19605880441 + 2867067025 = 140021^2 + 53545^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2240270 + ... + 2250278.

Almost surely, 2^22472947466 is an apocalyptic number.

22472947466 is a deficient number, since it is larger than the sum of its proper divisors (11316207934).

22472947466 is a wasteful number, since it uses less digits than its factorization.

22472947466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12553.

The product of its digits is 8128512, while the sum is 53.

The spelling of 22472947466 in words is "twenty-two billion, four hundred seventy-two million, nine hundred forty-seven thousand, four hundred sixty-six".