222222022201012 has 6 divisors (see below), whose sum is σ = 388888538851778. Its totient is φ = 111111011100504.

The previous prime is 222222022200979. The next prime is 222222022201043. The reversal of 222222022201012 is 210102220222222.

It can be written as a sum of positive squares in only one way, i.e., 197721957540496 + 24500064660516 = 14061364^2 + 4949754^2 .

It is a super-2 number, since 2×222222022201012² (a number of 29 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 as a sum of consecutive naturals, namely, 27777752775123 + ... + 27777752775130.

Almost surely, 2^{222222022201012} is an apocalyptic number.

It is an amenable number.

222222022201012 is a deficient number, since it is larger than the sum of its proper divisors (166666516650766).

222222022201012 is a wasteful number, since it uses less digits than its factorization.

222222022201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55555505550257 (or 55555505550255 counting only the distinct ones).

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

Adding to 222222022201012 its reverse (210102220222222), we get a palindrome (432324242423234).

The spelling of 222222022201012 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, twenty-two million, two hundred one thousand, twelve".