9722744454 has 16 divisors (see below), whose sum is σ = 19447338240. Its totient is φ = 3240606600.

The previous prime is 9722744453. The next prime is 9722744459. The reversal of 9722744454 is 4544472279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9722744453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3274 + ... + 139485.

It is an arithmetic number, because the mean of its divisors is an integer number (1215458640).

Almost surely, 2^9722744454 is an apocalyptic number.

9722744454 is an abundant number, since it is smaller than the sum of its proper divisors (9724593786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9722744454 is a wasteful number, since it uses less digits than its factorization.

9722744454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154115.

The product of its digits is 2257920, while the sum is 48.

The square root of 9722744454 is about 98603.9778812194. The cubic root of 9722744454 is about 2134.3368224359.

The spelling of 9722744454 in words is "nine billion, seven hundred twenty-two million, seven hundred forty-four thousand, four hundred fifty-four".