224161372144 has 40 divisors (see below), whose sum is σ = 442474978400. Its totient is φ = 109989715968.

The previous prime is 224161372079. The next prime is 224161372147. The reversal of 224161372144 is 441273161422.

It is a super-2 number, since 2×224161372144² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224161372147) 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, 249777 + ... + 714640.

It is an arithmetic number, because the mean of its divisors is an integer number (11061874460).

Almost surely, 2^224161372144 is an apocalyptic number.

It is an amenable number.

224161372144 is a deficient number, since it is larger than the sum of its proper divisors (218313606256).

224161372144 is a wasteful number, since it uses less digits than its factorization.

224161372144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964697 (or 964691 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The spelling of 224161372144 in words is "two hundred twenty-four billion, one hundred sixty-one million, three hundred seventy-two thousand, one hundred forty-four".