22210661405 has 8 divisors (see below), whose sum is σ = 26667603384. Its totient is φ = 17758656000.

The previous prime is 22210661351. The next prime is 22210661411. The reversal of 22210661405 is 50416601222.

It can be written as a sum of positive squares in 4 ways, for example, as 1630463641 + 20580197764 = 40379^2 + 143458^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22210661405 - 2⁸ = 22210661149 is a prime.

It is a Duffinian number.

It is a congruent 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, 1224236 + ... + 1242245.

It is an arithmetic number, because the mean of its divisors is an integer number (3333450423).

Almost surely, 2^22210661405 is an apocalyptic number.

It is an amenable number.

22210661405 is a deficient number, since it is larger than the sum of its proper divisors (4456941979).

22210661405 is a wasteful number, since it uses less digits than its factorization.

22210661405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468287.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 22210661405 in words is "twenty-two billion, two hundred ten million, six hundred sixty-one thousand, four hundred five".