222222022109 has 16 divisors (see below), whose sum is σ = 230227764480. Its totient is φ = 214374264000.

The previous prime is 222222022103. The next prime is 222222022123. The reversal of 222222022109 is 901220222222.

It is a cyclic number.

It is not a de Polignac number, because 222222022109 - 2²⁸ = 221953586653 is a prime.

It is a super-2 number, since 2×222222022109² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222022103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1479539 + ... + 1622799.

It is an arithmetic number, because the mean of its divisors is an integer number (14389235280).

Almost surely, 2^222222022109 is an apocalyptic number.

It is an amenable number.

222222022109 is a deficient number, since it is larger than the sum of its proper divisors (8005742371).

222222022109 is a wasteful number, since it uses less digits than its factorization.

222222022109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143812.

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 222222022109 in words is "two hundred twenty-two billion, two hundred twenty-two million, twenty-two thousand, one hundred nine".