222686026 has 8 divisors (see below), whose sum is σ = 353677860. Its totient is φ = 104793408.

The previous prime is 222686011. The next prime is 222686029. The reversal of 222686026 is 620686222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 179586801 + 43099225 = 13401^2 + 6565^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 6549589 = 222686026 / (2 + 2 + 2 + 6 + 8 + 6 + 0 + 2 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 222685982 and 222686000.

It is not an unprimeable number, because it can be changed into a prime (222686029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3274761 + ... + 3274828.

Almost surely, 2^222686026 is an apocalyptic number.

222686026 is a deficient number, since it is larger than the sum of its proper divisors (130991834).

222686026 is a wasteful number, since it uses less digits than its factorization.

222686026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6549608.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 222686026 is about 14922.6681930545. The cubic root of 222686026 is about 606.1279651487.

The spelling of 222686026 in words is "two hundred twenty-two million, six hundred eighty-six thousand, twenty-six".