22221545153332 has 24 divisors (see below), whose sum is σ = 44464263883200. Its totient is φ = 9518982156480.

The previous prime is 22221545153287. The next prime is 22221545153383. The reversal of 22221545153332 is 23335154512222.

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, 188989969 + ... + 189107512.

It is an arithmetic number, because the mean of its divisors is an integer number (1852677661800).

Almost surely, 2^{22221545153332} is an apocalyptic number.

It is an amenable number.

22221545153332 is an abundant number, since it is smaller than the sum of its proper divisors (22242718729868).

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

22221545153332 is a wasteful number, since it uses less digits than its factorization.

22221545153332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378099591 (or 378099589 counting only the distinct ones).

The product of its digits is 432000, while the sum is 40.

Adding to 22221545153332 its reverse (23335154512222), we get a palindrome (45556699665554).

The spelling of 22221545153332 in words is "twenty-two trillion, two hundred twenty-one billion, five hundred forty-five million, one hundred fifty-three thousand, three hundred thirty-two".