2246240221524 has 144 divisors (see below), whose sum is σ = 6142106880000. Its totient is φ = 688064332032.

The previous prime is 2246240221523. The next prime is 2246240221579. The reversal of 2246240221524 is 4251220426422.

2246240221524 is a `hidden beast` number, since 2 + 2 + 4 + 624 + 0 + 2 + 2 + 1 + 5 + 24 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2246240221523) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 188706157 + ... + 188718059.

It is an arithmetic number, because the mean of its divisors is an integer number (42653520000).

Almost surely, 2^{2246240221524} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2246240221524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3071053440000).

2246240221524 is an abundant number, since it is smaller than the sum of its proper divisors (3895866658476).

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

2246240221524 is a wasteful number, since it uses less digits than its factorization.

2246240221524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13694 (or 13689 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

Adding to 2246240221524 its reverse (4251220426422), we get a palindrome (6497460647946).

The spelling of 2246240221524 in words is "two trillion, two hundred forty-six billion, two hundred forty million, two hundred twenty-one thousand, five hundred twenty-four".