222212210022100 has 36 divisors (see below), whose sum is σ = 482796541035900. Its totient is φ = 88775013909760.

The previous prime is 222212210022059. The next prime is 222212210022139. The reversal of 222212210022100 is 1220012212222.

It can be written as a sum of positive squares in 6 ways, for example, as 4528035014724 + 217684175007376 = 2127918^2 + 14754124^2 .

It is a super-3 number, since 3×222212210022100³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1373294935 + ... + 1373456734.

It is an arithmetic number, because the mean of its divisors is an integer number (13411015028775).

Almost surely, 2^{222212210022100} is an apocalyptic number.

222212210022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222212210022100 is an abundant number, since it is smaller than the sum of its proper divisors (260584331013800).

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

222212210022100 is a wasteful number, since it uses less digits than its factorization.

222212210022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2746752492 (or 2746752485 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222212210022100 its reverse (1220012212222), we get a palindrome (223432222234322).

The spelling of 222212210022100 in words is "two hundred twenty-two trillion, two hundred twelve billion, two hundred ten million, twenty-two thousand, one hundred".