2211451224144 has 40 divisors (see below), whose sum is σ = 5726485585632. Its totient is φ = 735399450240.

The previous prime is 2211451224139. The next prime is 2211451224173. The reversal of 2211451224144 is 4414221541122.

It is a happy number.

It is a super-2 number, since 2×2211451224144² (a number of 25 digits) contains 22 as substring.

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, 54697014 + ... + 54737429.

Almost surely, 2^{2211451224144} is an apocalyptic number.

2211451224144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2211451224144 is an abundant number, since it is smaller than the sum of its proper divisors (3515034361488).

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

2211451224144 is a wasteful number, since it uses less digits than its factorization.

2211451224144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109434875 (or 109434869 counting only the distinct ones).

The product of its digits is 20480, while the sum is 33.

Adding to 2211451224144 its reverse (4414221541122), we get a palindrome (6625672765266).

The spelling of 2211451224144 in words is "two trillion, two hundred eleven billion, four hundred fifty-one million, two hundred twenty-four thousand, one hundred forty-four".