22221227170324 has 24 divisors (see below), whose sum is σ = 47861104675328. Its totient is φ = 8790815144160.

The previous prime is 22221227170283. The next prime is 22221227170327. The reversal of 22221227170324 is 42307172212222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221227170327) 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, 30523663332 + ... + 30523664059.

Almost surely, 2^{22221227170324} is an apocalyptic number.

It is an amenable number.

22221227170324 is an abundant number, since it is smaller than the sum of its proper divisors (25639877505004).

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

22221227170324 is a wasteful number, since it uses less digits than its factorization.

22221227170324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61047327415 (or 61047327413 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 37.

Adding to 22221227170324 its reverse (42307172212222), we get a palindrome (64528399382546).

The spelling of 22221227170324 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred twenty-seven million, one hundred seventy thousand, three hundred twenty-four".