21722441703 has 16 divisors (see below), whose sum is σ = 29851946976. Its totient is φ = 14040069120.

The previous prime is 21722441683. The next prime is 21722441707. The reversal of 21722441703 is 30714422712.

It is not a de Polignac number, because 21722441703 - 2⁶ = 21722441639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21722441707) 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, 317026 + ... + 379407.

It is an arithmetic number, because the mean of its divisors is an integer number (1865746686).

Almost surely, 2^21722441703 is an apocalyptic number.

21722441703 is a deficient number, since it is larger than the sum of its proper divisors (8129505273).

21722441703 is a wasteful number, since it uses less digits than its factorization.

21722441703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696754.

The product of its (nonzero) digits is 18816, while the sum is 33.

The spelling of 21722441703 in words is "twenty-one billion, seven hundred twenty-two million, four hundred forty-one thousand, seven hundred three".