222120026 has 32 divisors (see below), whose sum is σ = 351267840. Its totient is φ = 105232176.

The previous prime is 222120023. The next prime is 222120029. The reversal of 222120026 is 620021222.

222120026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222120023) and next prime (222120029).

It is a junction number, because it is equal to n+sod(n) for n = 222119986 and 222120013.

It is not an unprimeable number, because it can be changed into a prime (222120023) 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, 723365 + ... + 723671.

It is an arithmetic number, because the mean of its divisors is an integer number (10977120).

Almost surely, 2^222120026 is an apocalyptic number.

222120026 is a deficient number, since it is larger than the sum of its proper divisors (129147814).

222120026 is a wasteful number, since it uses less digits than its factorization.

222120026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 222120026 is about 14903.6916903162. The cubic root of 222120026 is about 605.6139986102.

Adding to 222120026 its reverse (620021222), we get a palindrome (842141248).

The spelling of 222120026 in words is "two hundred twenty-two million, one hundred twenty thousand, twenty-six".