22221716717222 has 48 divisors (see below), whose sum is σ = 36815346602496. Its totient is φ = 10052004270000.

The previous prime is 22221716717203. The next prime is 22221716717243. The reversal of 22221716717222 is 22271761712222.

It is a super-2 number, since 2×22221716717222² (a number of 27 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 23 ways as a sum of consecutive naturals, for example, 130822847 + ... + 130992597.

It is an arithmetic number, because the mean of its divisors is an integer number (766986387552).

Almost surely, 2^{22221716717222} is an apocalyptic number.

22221716717222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22221716717222 is a deficient number, since it is larger than the sum of its proper divisors (14593629885274).

22221716717222 is a wasteful number, since it uses less digits than its factorization.

22221716717222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172385 (or 172374 counting only the distinct ones).

The product of its digits is 263424, while the sum is 44.

The spelling of 22221716717222 in words is "twenty-two trillion, two hundred twenty-one billion, seven hundred sixteen million, seven hundred seventeen thousand, two hundred twenty-two".