22061441221624 has 64 divisors (see below), whose sum is σ = 48553156684800. Its totient is φ = 9199185427584.

The previous prime is 22061441221619. The next prime is 22061441221681. The reversal of 22061441221624 is 42612214416022.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186045697 + ... + 186164239.

It is an arithmetic number, because the mean of its divisors is an integer number (758643073200).

Almost surely, 2^{22061441221624} is an apocalyptic number.

It is an amenable number.

22061441221624 is an abundant number, since it is smaller than the sum of its proper divisors (26491715463176).

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

22061441221624 is a wasteful number, since it uses less digits than its factorization.

22061441221624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208412 (or 208408 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

Adding to 22061441221624 its reverse (42612214416022), we get a palindrome (64673655637646).

The spelling of 22061441221624 in words is "twenty-two trillion, sixty-one billion, four hundred forty-one million, two hundred twenty-one thousand, six hundred twenty-four".