22012222221202 has 8 divisors (see below), whose sum is σ = 33018380930700. Its totient is φ = 11006095244304.

The previous prime is 22012222221193. The next prime is 22012222221239. The reversal of 22012222221202 is 20212222221022.

It can be written as a sum of positive squares in 2 ways, for example, as 14933115906921 + 7079106314281 = 3864339^2 + 2660659^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22012222221202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6115677 + ... + 9023632.

Almost surely, 2^{22012222221202} is an apocalyptic number.

22012222221202 is a deficient number, since it is larger than the sum of its proper divisors (11006158709498).

22012222221202 is a wasteful number, since it uses less digits than its factorization.

22012222221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15866300.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 22012222221202 its reverse (20212222221022), we get a palindrome (42224444442224).

The spelling of 22012222221202 in words is "twenty-two trillion, twelve billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred two".