22034451665 has 16 divisors (see below), whose sum is σ = 26695179840. Its totient is φ = 17458943040.

The previous prime is 22034451661. The next prime is 22034451667. The reversal of 22034451665 is 56615443022.

It is not a de Polignac number, because 22034451665 - 2² = 22034451661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22034451661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254942 + ... + 330248.

It is an arithmetic number, because the mean of its divisors is an integer number (1668448740).

Almost surely, 2^22034451665 is an apocalyptic number.

It is an amenable number.

22034451665 is a deficient number, since it is larger than the sum of its proper divisors (4660728175).

22034451665 is a wasteful number, since it uses less digits than its factorization.

22034451665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75872.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 22034451665 its reverse (56615443022), we get a palindrome (78649894687).

The spelling of 22034451665 in words is "twenty-two billion, thirty-four million, four hundred fifty-one thousand, six hundred sixty-five".